diff --git a/package-lock.json b/package-lock.json
index 31a215d..43c7e8c 100644
--- a/package-lock.json
+++ b/package-lock.json
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       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
     "ylru": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/ylru/-/ylru-1.2.1.tgz",
       "integrity": "sha512-faQrqNMzcPCHGVC2aaOINk13K+aaBDUPjGWl0teOXywElLjyVAB6Oe2jj62jHYtwsU49jXhScYbvPENK+6zAvQ=="
+    },
+    "zip-stream": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-2.1.2.tgz",
+      "integrity": "sha512-ykebHGa2+uzth/R4HZLkZh3XFJzivhVsjJt8bN3GvBzLaqqrUdRacu+c4QtnUgjkkQfsOuNE1JgLKMCPNmkKgg==",
+      "requires": {
+        "archiver-utils": "^2.1.0",
+        "compress-commons": "^2.1.1",
+        "readable-stream": "^3.4.0"
+      }
     }
   }
 }
diff --git a/yarn.lock b/yarn.lock
index c0d47a2..8ba86c0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -61,13 +61,6 @@ array-extended@~0.0.3, array-extended@~0.0.4, array-extended@~0.0.5:
     extended "~0.0.3"
     is-extended "~0.0.3"
 
-async@2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.2.tgz#18330ea7e6e313887f5d2f2a904bac6fe4dd5381"
-  integrity sha512-H1qVYh1MYhEEFLsP97cVKqCGo7KfCyTt6uEWqsTBr9SO84oK9Uwbyd/yCW+6rKJLHksBNUVWZDAjfS+Ccx0Bbg==
-  dependencies:
-    lodash "^4.17.11"
-
 async@^2.6.3:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
@@ -582,10 +575,10 @@ jws@^3.2.2:
     jwa "^1.4.1"
     safe-buffer "^5.0.1"
 
-kareem@2.3.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/kareem/-/kareem-2.3.0.tgz#ef33c42e9024dce511eeaf440cd684f3af1fc769"
-  integrity sha512-6hHxsp9e6zQU8nXsP+02HGWXwTkOEw6IROhF2ZA28cYbUk4eJ6QbtZvdqZOdD9YPKghG3apk5eOCvs+tLl3lRg==
+kareem@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/kareem/-/kareem-2.3.1.tgz#def12d9c941017fabfb00f873af95e9c99e1be87"
+  integrity sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw==
 
 keygrip@~1.0.3:
   version "1.0.3"
@@ -782,7 +775,7 @@ lodash.union@^4.6.0:
   resolved "https://registry.yarnpkg.com/lodash.union/-/lodash.union-4.6.0.tgz#48bb5088409f16f1821666641c44dd1aaae3cd88"
   integrity sha1-SLtQiECfFvGCFmZkHETdGqrjzYg=
 
-lodash@^4.17.11, lodash@^4.17.14:
+lodash@^4.17.14:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -792,11 +785,6 @@ media-typer@0.3.0:
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
   integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
 
-memory-pager@^1.0.2:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/memory-pager/-/memory-pager-1.5.0.tgz#d8751655d22d384682741c972f2c3d6dfa3e66b5"
-  integrity sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==
-
 methods@^1.0.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -833,24 +821,14 @@ minimist@0.0.8:
   dependencies:
     minimist "0.0.8"
 
-mongodb-core@3.2.7:
-  version "3.2.7"
-  resolved "https://registry.yarnpkg.com/mongodb-core/-/mongodb-core-3.2.7.tgz#a8ef1fe764a192c979252dacbc600dc88d77e28f"
-  integrity sha512-WypKdLxFNPOH/Jy6i9z47IjG2wIldA54iDZBmHMINcgKOUcWJh8og+Wix76oGd7EyYkHJKssQ2FAOw5Su/n4XQ==
+mongodb@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.3.2.tgz#ff086b5f552cf07e24ce098694210f3d42d668b2"
+  integrity sha512-fqJt3iywelk4yKu/lfwQg163Bjpo5zDKhXiohycvon4iQHbrfflSAz9AIlRE6496Pm/dQKQK5bMigdVo2s6gBg==
   dependencies:
     bson "^1.1.1"
     require_optional "^1.0.1"
     safe-buffer "^5.1.2"
-  optionalDependencies:
-    saslprep "^1.0.0"
-
-mongodb@3.2.7:
-  version "3.2.7"
-  resolved "https://registry.yarnpkg.com/mongodb/-/mongodb-3.2.7.tgz#8ba149e4be708257cad0dea72aebb2bbb311a7ac"
-  integrity sha512-2YdWrdf1PJgxcCrT1tWoL6nHuk6hCxhddAAaEh8QJL231ci4+P9FLyqopbTm2Z2sAU6mhCri+wd9r1hOcHdoMw==
-  dependencies:
-    mongodb-core "3.2.7"
-    safe-buffer "^5.1.2"
 
 mongoose-legacy-pluralize@1.0.2:
   version "1.0.2"
@@ -858,18 +836,16 @@ mongoose-legacy-pluralize@1.0.2:
   integrity sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ==
 
 mongoose@^5.6.9:
-  version "5.6.9"
-  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.6.9.tgz#86bdf258c5348a5c4a6acaf944d7baa73e3d1707"
-  integrity sha512-NRW5UJSmwyJxK+MRHmq+dQKgZqMZCpW1aPkpBZESqrrgF2J15Flo/4K3RYkSSQY7oKhfbgqZTPo+J1snJ3hJ3w==
+  version "5.7.5"
+  resolved "https://registry.yarnpkg.com/mongoose/-/mongoose-5.7.5.tgz#b787b47216edf62036aa358c3ef0f1869c46cdc2"
+  integrity sha512-BZ4FxtnbTurc/wcm/hLltLdI4IDxo4nsE0D9q58YymTdZwreNzwO62CcjVtaHhmr8HmJtOInp2W/T12FZaMf8g==
   dependencies:
-    async "2.6.2"
     bson "~1.1.1"
-    kareem "2.3.0"
-    mongodb "3.2.7"
-    mongodb-core "3.2.7"
+    kareem "2.3.1"
+    mongodb "3.3.2"
     mongoose-legacy-pluralize "1.0.2"
     mpath "0.6.0"
-    mquery "3.2.1"
+    mquery "3.2.2"
     ms "2.1.2"
     regexp-clone "1.0.0"
     safe-buffer "5.1.2"
@@ -881,10 +857,10 @@ mpath@0.6.0:
   resolved "https://registry.yarnpkg.com/mpath/-/mpath-0.6.0.tgz#aa922029fca4f0f641f360e74c5c1b6a4c47078e"
   integrity sha512-i75qh79MJ5Xo/sbhxrDrPSEG0H/mr1kcZXJ8dH6URU5jD/knFxCVqVC/gVSW7GIXL/9hHWlT9haLbCXWOll3qw==
 
-mquery@3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/mquery/-/mquery-3.2.1.tgz#8b059a49cdae0a8a9e804284ef64c2f58d3ac05d"
-  integrity sha512-kY/K8QToZWTTocm0U+r8rqcJCp5PRl6e8tPmoDs5OeSO3DInZE2rAL6AYH+V406JTo8305LdASOQcxRDqHojyw==
+mquery@3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/mquery/-/mquery-3.2.2.tgz#e1383a3951852ce23e37f619a9b350f1fb3664e7"
+  integrity sha512-XB52992COp0KP230I3qloVUbkLUxJIu328HBP2t2EsxSFtf4W1HPSOBWOXf1bqxK4Xbb66lfMJ+Bpfd9/yZE1Q==
   dependencies:
     bluebird "3.5.1"
     debug "3.1.0"
@@ -1106,13 +1082,6 @@ safe-buffer@^5.0.1, safe-buffer@^5.1.2, safe-buffer@~5.2.0:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-saslprep@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/saslprep/-/saslprep-1.0.3.tgz#4c02f946b56cf54297e347ba1093e7acac4cf226"
-  integrity sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==
-  dependencies:
-    sparse-bitfield "^3.0.3"
-
 sax@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
@@ -1158,13 +1127,6 @@ sliced@1.0.1:
   resolved "https://registry.yarnpkg.com/sliced/-/sliced-1.0.1.tgz#0b3a662b5d04c3177b1926bea82b03f837a2ef41"
   integrity sha1-CzpmK10Ewxd7GSa+qCsD+Dei70E=
 
-sparse-bitfield@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz#ff4ae6e68656056ba4b3e792ab3334d38273ca11"
-  integrity sha1-/0rm5oZWBWuks+eSqzM004JzyhE=
-  dependencies:
-    memory-pager "^1.0.2"
-
 "statuses@>= 1.4.0 < 2", "statuses@>= 1.5.0 < 2", statuses@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"