diff --git a/package-lock.json b/package-lock.json
index 36996f6..01fab82 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -68,6 +68,20 @@
         }
       }
     },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
+    },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "arr-diff": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -164,433 +178,12 @@
       }
     },
     "bcrypt": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-3.0.0.tgz",
-      "integrity": "sha512-gjicxsD4e5U3nH0EqiEb5y+fKpsZ7F52wcnmNfu45nxnolWVAYh7NgbdfilY+5x1v6cLspxmzz4hf+ju2pFxhA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-5.0.0.tgz",
+      "integrity": "sha512-jB0yCBl4W/kVHM2whjfyqnxTmOHkCX4kHEa5nYKSoGeYe8YrjTYTc87/6bwt1g8cmV0QrbhKriETg9jWtcREhg==",
       "requires": {
-        "nan": "2.10.0",
-        "node-pre-gyp": "0.10.2"
-      },
-      "dependencies": {
-        "abbrev": {
-          "version": "1.1.1",
-          "bundled": true
-        },
-        "ansi-regex": {
-          "version": "2.1.1",
-          "bundled": true
-        },
-        "aproba": {
-          "version": "1.2.0",
-          "bundled": true
-        },
-        "are-we-there-yet": {
-          "version": "1.1.5",
-          "bundled": true,
-          "requires": {
-            "delegates": "1.0.0",
-            "readable-stream": "2.3.5"
-          }
-        },
-        "balanced-match": {
-          "version": "1.0.0",
-          "bundled": true
-        },
-        "brace-expansion": {
-          "version": "1.1.11",
-          "bundled": true,
-          "requires": {
-            "balanced-match": "1.0.0",
-            "concat-map": "0.0.1"
-          }
-        },
-        "chownr": {
-          "version": "1.0.1",
-          "bundled": true
-        },
-        "code-point-at": {
-          "version": "1.1.0",
-          "bundled": true
-        },
-        "concat-map": {
-          "version": "0.0.1",
-          "bundled": true
-        },
-        "console-control-strings": {
-          "version": "1.1.0",
-          "bundled": true
-        },
-        "core-util-is": {
-          "version": "1.0.2",
-          "bundled": true
-        },
-        "debug": {
-          "version": "2.6.9",
-          "bundled": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "deep-extend": {
-          "version": "0.6.0",
-          "bundled": true
-        },
-        "delegates": {
-          "version": "1.0.0",
-          "bundled": true
-        },
-        "detect-libc": {
-          "version": "1.0.3",
-          "bundled": true
-        },
-        "fs-minipass": {
-          "version": "1.2.5",
-          "bundled": true,
-          "requires": {
-            "minipass": "2.3.3"
-          }
-        },
-        "fs.realpath": {
-          "version": "1.0.0",
-          "bundled": true
-        },
-        "gauge": {
-          "version": "2.7.4",
-          "bundled": true,
-          "requires": {
-            "aproba": "1.2.0",
-            "console-control-strings": "1.1.0",
-            "has-unicode": "2.0.1",
-            "object-assign": "4.1.1",
-            "signal-exit": "3.0.2",
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.3"
-          }
-        },
-        "glob": {
-          "version": "7.1.2",
-          "bundled": true,
-          "requires": {
-            "fs.realpath": "1.0.0",
-            "inflight": "1.0.6",
-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
-          }
-        },
-        "has-unicode": {
-          "version": "2.0.1",
-          "bundled": true
-        },
-        "iconv-lite": {
-          "version": "0.4.23",
-          "bundled": true,
-          "requires": {
-            "safer-buffer": "2.1.2"
-          }
-        },
-        "ignore-walk": {
-          "version": "3.0.1",
-          "bundled": true,
-          "requires": {
-            "minimatch": "3.0.4"
-          }
-        },
-        "inflight": {
-          "version": "1.0.6",
-          "bundled": true,
-          "requires": {
-            "once": "1.4.0",
-            "wrappy": "1.0.2"
-          }
-        },
-        "inherits": {
-          "version": "2.0.3",
-          "bundled": true
-        },
-        "ini": {
-          "version": "1.3.5",
-          "bundled": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "bundled": true,
-          "requires": {
-            "number-is-nan": "1.0.1"
-          }
-        },
-        "isarray": {
-          "version": "1.0.0",
-          "bundled": true
-        },
-        "minimatch": {
-          "version": "3.0.4",
-          "bundled": true,
-          "requires": {
-            "brace-expansion": "1.1.11"
-          }
-        },
-        "minimist": {
-          "version": "0.0.8",
-          "bundled": true
-        },
-        "minipass": {
-          "version": "2.3.3",
-          "bundled": true,
-          "requires": {
-            "safe-buffer": "5.1.2",
-            "yallist": "3.0.2"
-          },
-          "dependencies": {
-            "safe-buffer": {
-              "version": "5.1.2",
-              "bundled": true
-            },
-            "yallist": {
-              "version": "3.0.2",
-              "bundled": true
-            }
-          }
-        },
-        "minizlib": {
-          "version": "1.1.0",
-          "bundled": true,
-          "requires": {
-            "minipass": "2.3.3"
-          }
-        },
-        "mkdirp": {
-          "version": "0.5.1",
-          "bundled": true,
-          "requires": {
-            "minimist": "0.0.8"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "bundled": true
-        },
-        "needle": {
-          "version": "2.2.1",
-          "bundled": true,
-          "requires": {
-            "debug": "2.6.9",
-            "iconv-lite": "0.4.23",
-            "sax": "1.2.4"
-          }
-        },
-        "node-pre-gyp": {
-          "version": "0.10.2",
-          "bundled": true,
-          "requires": {
-            "detect-libc": "1.0.3",
-            "mkdirp": "0.5.1",
-            "needle": "2.2.1",
-            "nopt": "4.0.1",
-            "npm-packlist": "1.1.10",
-            "npmlog": "4.1.2",
-            "rc": "1.2.8",
-            "rimraf": "2.6.2",
-            "semver": "5.5.0",
-            "tar": "4.4.4"
-          }
-        },
-        "nopt": {
-          "version": "4.0.1",
-          "bundled": true,
-          "requires": {
-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
-          }
-        },
-        "npm-bundled": {
-          "version": "1.0.3",
-          "bundled": true
-        },
-        "npm-packlist": {
-          "version": "1.1.10",
-          "bundled": true,
-          "requires": {
-            "ignore-walk": "3.0.1",
-            "npm-bundled": "1.0.3"
-          }
-        },
-        "npmlog": {
-          "version": "4.1.2",
-          "bundled": true,
-          "requires": {
-            "are-we-there-yet": "1.1.5",
-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
-          }
-        },
-        "number-is-nan": {
-          "version": "1.0.1",
-          "bundled": true
-        },
-        "object-assign": {
-          "version": "4.1.1",
-          "bundled": true
-        },
-        "once": {
-          "version": "1.4.0",
-          "bundled": true,
-          "requires": {
-            "wrappy": "1.0.2"
-          }
-        },
-        "os-homedir": {
-          "version": "1.0.2",
-          "bundled": true
-        },
-        "os-tmpdir": {
-          "version": "1.0.2",
-          "bundled": true
-        },
-        "osenv": {
-          "version": "0.1.5",
-          "bundled": true,
-          "requires": {
-            "os-homedir": "1.0.2",
-            "os-tmpdir": "1.0.2"
-          }
-        },
-        "path-is-absolute": {
-          "version": "1.0.1",
-          "bundled": true
-        },
-        "process-nextick-args": {
-          "version": "2.0.0",
-          "bundled": true
-        },
-        "rc": {
-          "version": "1.2.8",
-          "bundled": true,
-          "requires": {
-            "deep-extend": "0.6.0",
-            "ini": "1.3.5",
-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
-          },
-          "dependencies": {
-            "minimist": {
-              "version": "1.2.0",
-              "bundled": true
-            }
-          }
-        },
-        "readable-stream": {
-          "version": "2.3.5",
-          "bundled": true,
-          "requires": {
-            "core-util-is": "1.0.2",
-            "inherits": "2.0.3",
-            "isarray": "1.0.0",
-            "process-nextick-args": "2.0.0",
-            "safe-buffer": "5.1.1",
-            "string_decoder": "1.0.3",
-            "util-deprecate": "1.0.2"
-          }
-        },
-        "rimraf": {
-          "version": "2.6.2",
-          "bundled": true,
-          "requires": {
-            "glob": "7.1.2"
-          }
-        },
-        "safe-buffer": {
-          "version": "5.1.1",
-          "bundled": true
-        },
-        "safer-buffer": {
-          "version": "2.1.2",
-          "bundled": true
-        },
-        "sax": {
-          "version": "1.2.4",
-          "bundled": true
-        },
-        "semver": {
-          "version": "5.5.0",
-          "bundled": true
-        },
-        "set-blocking": {
-          "version": "2.0.0",
-          "bundled": true
-        },
-        "signal-exit": {
-          "version": "3.0.2",
-          "bundled": true
-        },
-        "string-width": {
-          "version": "1.0.2",
-          "bundled": true,
-          "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
-          }
-        },
-        "string_decoder": {
-          "version": "1.0.3",
-          "bundled": true,
-          "requires": {
-            "safe-buffer": "5.1.1"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "bundled": true,
-          "requires": {
-            "ansi-regex": "2.1.1"
-          }
-        },
-        "strip-json-comments": {
-          "version": "2.0.1",
-          "bundled": true
-        },
-        "tar": {
-          "version": "4.4.4",
-          "bundled": true,
-          "requires": {
-            "chownr": "1.0.1",
-            "fs-minipass": "1.2.5",
-            "minipass": "2.3.3",
-            "minizlib": "1.1.0",
-            "mkdirp": "0.5.1",
-            "safe-buffer": "5.1.2",
-            "yallist": "3.0.2"
-          },
-          "dependencies": {
-            "safe-buffer": {
-              "version": "5.1.2",
-              "bundled": true
-            },
-            "yallist": {
-              "version": "3.0.2",
-              "bundled": true
-            }
-          }
-        },
-        "util-deprecate": {
-          "version": "1.0.2",
-          "bundled": true
-        },
-        "wide-align": {
-          "version": "1.1.3",
-          "bundled": true,
-          "requires": {
-            "string-width": "1.0.2"
-          }
-        },
-        "wrappy": {
-          "version": "1.0.2",
-          "bundled": true
-        }
+        "node-addon-api": "^3.0.0",
+        "node-pre-gyp": "0.15.0"
       }
     },
     "bignumber.js": {
@@ -740,6 +333,11 @@
         "upath": "1.1.2"
       }
     },
+    "chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+    },
     "ci-info": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.6.0.tgz",
@@ -780,6 +378,11 @@
         "shimmer": "1.2.1"
       }
     },
+    "code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -825,6 +428,11 @@
         "xdg-basedir": "3.0.0"
       }
     },
+    "console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
+    },
     "content-disposition": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
@@ -942,6 +550,11 @@
         }
       }
     },
+    "delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+    },
     "denque": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
@@ -957,6 +570,11 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
       "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
     },
+    "detect-libc": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
+    },
     "dot-prop": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz",
@@ -1241,6 +859,19 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
+    "fs-minipass": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+      "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
+      "requires": {
+        "minipass": "^2.6.0"
+      }
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+    },
     "fsevents": {
       "version": "1.2.8",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.8.tgz",
@@ -1258,7 +889,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1276,11 +908,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -1293,15 +927,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1404,7 +1041,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1414,6 +1052,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -1426,17 +1065,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.2",
             "yallist": "3.0.3"
@@ -1453,6 +1095,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1531,7 +1174,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1541,6 +1185,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -1616,7 +1261,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1646,6 +1292,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -1663,6 +1310,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -1701,11 +1349,61 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
+        }
+      }
+    },
+    "gauge": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "requires": {
+        "aproba": "^1.0.3",
+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
+        "object-assign": "^4.1.0",
+        "signal-exit": "^3.0.0",
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1",
+        "wide-align": "^1.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+        },
+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "requires": {
+            "number-is-nan": "^1.0.0"
+          }
+        },
+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "requires": {
+            "ansi-regex": "^2.0.0"
+          }
         }
       }
     },
@@ -1732,6 +1430,19 @@
       "resolved": "https://registry.npmjs.org/get-value/-/get-value-2.0.6.tgz",
       "integrity": "sha1-3BXKHGcjh8p2vTesCjlbogQqLCg="
     },
+    "glob": {
+      "version": "7.1.6",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+      "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+      "requires": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      }
+    },
     "glob-parent": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
@@ -1787,6 +1498,11 @@
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
       "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
     },
+    "has-unicode": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+    },
     "has-value": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-value/-/has-value-1.0.0.tgz",
@@ -1845,6 +1561,14 @@
       "resolved": "https://registry.npmjs.org/ignore-by-default/-/ignore-by-default-1.0.1.tgz",
       "integrity": "sha1-SMptcvbGo68Aqa1K5odr44ieKwk="
     },
+    "ignore-walk": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.3.tgz",
+      "integrity": "sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==",
+      "requires": {
+        "minimatch": "^3.0.4"
+      }
+    },
     "import-lazy": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/import-lazy/-/import-lazy-2.1.0.tgz",
@@ -1860,6 +1584,15 @@
       "resolved": "https://registry.npmjs.org/inflection/-/inflection-1.12.0.tgz",
       "integrity": "sha1-ogCTVlbW9fa8TcdQLhrstwMihBY="
     },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "requires": {
+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
+    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -2246,6 +1979,30 @@
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
       "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
+    "minipass": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+      "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+      "requires": {
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.0"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
+      }
+    },
+    "minizlib": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+      "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
+      "requires": {
+        "minipass": "^2.9.0"
+      }
+    },
     "mixin-deep": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
@@ -2265,6 +2022,21 @@
         }
       }
     },
+    "mkdirp": {
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+      "requires": {
+        "minimist": "^1.2.5"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+        }
+      }
+    },
     "moment": {
       "version": "2.24.0",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
@@ -2327,11 +2099,6 @@
         "lru-cache": "4.1.5"
       }
     },
-    "nan": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
-      "integrity": "sha512-bAdJv7fBLhWC+/Bls0Oza+mvTaNQtP+1RyhhhvD95pgUJz6XM5IzgmxOkItJ9tkoCiplvAnXI1tNmmUD/eScyA=="
-    },
     "nanomatch": {
       "version": "1.2.13",
       "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.13.tgz",
@@ -2350,11 +2117,69 @@
         "to-regex": "3.0.2"
       }
     },
+    "needle": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/needle/-/needle-2.5.0.tgz",
+      "integrity": "sha512-o/qITSDR0JCyCKEQ1/1bnUXMmznxabbwi/Y4WwJElf+evwJNFNwIDMCCt5IigFVxgeGBJESLohGtIS9gEzo1fA==",
+      "requires": {
+        "debug": "^3.2.6",
+        "iconv-lite": "^0.4.4",
+        "sax": "^1.2.4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "3.2.6",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+          "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
     "negotiator": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
+    "node-addon-api": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-3.0.0.tgz",
+      "integrity": "sha512-sSHCgWfJ+Lui/u+0msF3oyCgvdkhxDbkCS6Q8uiJquzOimkJBvX6hl5aSSA7DR1XbMpdM8r7phjcF63sF4rkKg=="
+    },
+    "node-pre-gyp": {
+      "version": "0.15.0",
+      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.15.0.tgz",
+      "integrity": "sha512-7QcZa8/fpaU/BKenjcaeFF9hLz2+7S9AqyXFhlH/rilsQ/hPZKK32RtR5EQHJElgu+q5RfbJ34KriI79UWaorA==",
+      "requires": {
+        "detect-libc": "^1.0.2",
+        "mkdirp": "^0.5.3",
+        "needle": "^2.5.0",
+        "nopt": "^4.0.1",
+        "npm-packlist": "^1.1.6",
+        "npmlog": "^4.0.2",
+        "rc": "^1.2.7",
+        "rimraf": "^2.6.1",
+        "semver": "^5.3.0",
+        "tar": "^4.4.2"
+      },
+      "dependencies": {
+        "nopt": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.3.tgz",
+          "integrity": "sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==",
+          "requires": {
+            "abbrev": "1",
+            "osenv": "^0.1.4"
+          }
+        }
+      }
+    },
     "nodemon": {
       "version": "1.18.11",
       "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-1.18.11.tgz",
@@ -2400,6 +2225,29 @@
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
       "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA=="
     },
+    "npm-bundled": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.1.1.tgz",
+      "integrity": "sha512-gqkfgGePhTpAEgUsGEgcq1rqPXA+tv/aVBlgEzfXwA1yiUJF7xtEt3CtVwOjNYQOVknDk0F20w58Fnm3EtG0fA==",
+      "requires": {
+        "npm-normalize-package-bin": "^1.0.1"
+      }
+    },
+    "npm-normalize-package-bin": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz",
+      "integrity": "sha512-EPfafl6JL5/rU+ot6P3gRSCpPDW5VmIzX959Ob1+ySFUuuYHWHekXpwdUZcKP5C+DS4GEtdJluwBjnsNDl+fSA=="
+    },
+    "npm-packlist": {
+      "version": "1.4.8",
+      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.8.tgz",
+      "integrity": "sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==",
+      "requires": {
+        "ignore-walk": "^3.0.1",
+        "npm-bundled": "^1.0.1",
+        "npm-normalize-package-bin": "^1.0.1"
+      }
+    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -2408,6 +2256,22 @@
         "path-key": "2.0.1"
       }
     },
+    "npmlog": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
+      "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
+      "requires": {
+        "are-we-there-yet": "~1.1.2",
+        "console-control-strings": "~1.1.0",
+        "gauge": "~2.7.3",
+        "set-blocking": "~2.0.0"
+      }
+    },
+    "number-is-nan": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+    },
     "object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -2465,6 +2329,33 @@
         "ee-first": "1.1.1"
       }
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "os-homedir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
+    },
+    "os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
+    },
+    "osenv": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
+      "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
+      "requires": {
+        "os-homedir": "^1.0.0",
+        "os-tmpdir": "^1.0.0"
+      }
+    },
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
@@ -2671,6 +2562,14 @@
         "debug": "2.6.9"
       }
     },
+    "rimraf": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+      "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+      "requires": {
+        "glob": "^7.1.3"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -2689,6 +2588,11 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
     "semver": {
       "version": "5.7.0",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
@@ -2784,6 +2688,11 @@
         "send": "0.16.2"
       }
     },
+    "set-blocking": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
+    },
     "set-value": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
@@ -3032,6 +2941,27 @@
         "has-flag": "3.0.0"
       }
     },
+    "tar": {
+      "version": "4.4.13",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
+      "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
+      "requires": {
+        "chownr": "^1.1.1",
+        "fs-minipass": "^1.2.5",
+        "minipass": "^2.8.6",
+        "minizlib": "^1.2.1",
+        "mkdirp": "^0.5.0",
+        "safe-buffer": "^5.1.2",
+        "yallist": "^3.0.3"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
+      }
+    },
     "term-size": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/term-size/-/term-size-1.2.0.tgz",
@@ -3297,6 +3227,14 @@
         "isexe": "2.0.0"
       }
     },
+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      }
+    },
     "widest-line": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.1.tgz",
@@ -3313,6 +3251,11 @@
         "@types/node": "11.13.5"
       }
     },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
     "write-file-atomic": {
       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.2.tgz",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 6367b32..6990274
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "bcrypt": "3.0.0",
+    "bcrypt": "5.0.0",
     "body-parser": "^1.17.2",
     "cors": "^2.8.4",
     "express": "^4.16.3",