diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..6e3e2a7 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,6 +3,7 @@
         "hash": {
             "sha256": "f0026da2573dccbb42b772bbdb3ee79f0b3c166cfacd8f8f28542a224a654bde"
         },
+        "pipfile-spec": 6,
         "requires": {},
         "sources": [
             {
@@ -13,15 +14,94 @@
     },
     "default": {
         "lxml": {
-            "version": "==3.8.0"
+            "hashes": [
+                "sha256:0448576c148c129594d890265b1a83b9cd76fd1f0a6a04620753d9a6bcfd0a4d",
+                "sha256:127f76864468d6630e1b453d3ffbbd04b024c674f55cf0a30dc2595137892d37",
+                "sha256:1471cee35eba321827d7d53d104e7b8c593ea3ad376aa2df89533ce8e1b24a01",
+                "sha256:2363c35637d2d9d6f26f60a208819e7eafc4305ce39dc1d5005eccc4593331c2",
+                "sha256:2e5cc908fe43fe1aa299e58046ad66981131a66aea3129aac7770c37f590a644",
+                "sha256:2e6fd1b8acd005bd71e6c94f30c055594bbd0aa02ef51a22bbfa961ab63b2d75",
+                "sha256:366cb750140f221523fa062d641393092813b81e15d0e25d9f7c6025f910ee80",
+                "sha256:42ebca24ba2a21065fb546f3e6bd0c58c3fe9ac298f3a320147029a4850f51a2",
+                "sha256:4e751e77006da34643ab782e4a5cc21ea7b755551db202bc4d3a423b307db780",
+                "sha256:4fb85c447e288df535b17ebdebf0ec1cf3a3f1a8eba7e79169f4f37af43c6b98",
+                "sha256:50c348995b47b5a4e330362cf39fc503b4a43b14a91c34c83b955e1805c8e308",
+                "sha256:535332fe9d00c3cd455bd3dd7d4bacab86e2d564bdf7606079160fa6251caacf",
+                "sha256:535f067002b0fd1a4e5296a8f1bf88193080ff992a195e66964ef2a6cfec5388",
+                "sha256:5be4a2e212bb6aa045e37f7d48e3e1e4b6fd259882ed5a00786f82e8c37ce77d",
+                "sha256:60a20bfc3bd234d54d49c388950195d23a5583d4108e1a1d47c9eef8d8c042b3",
+                "sha256:648914abafe67f11be7d93c1a546068f8eff3c5fa938e1f94509e4a5d682b2d8",
+                "sha256:681d75e1a38a69f1e64ab82fe4b1ed3fd758717bed735fb9aeaa124143f051af",
+                "sha256:68a5d77e440df94011214b7db907ec8f19e439507a70c958f750c18d88f995d2",
+                "sha256:69a63f83e88138ab7642d8f61418cf3180a4d8cd13995df87725cb8b893e950e",
+                "sha256:6e4183800f16f3679076dfa8abf2db3083919d7e30764a069fb66b2b9eff9939",
+                "sha256:6fd8d5903c2e53f49e99359b063df27fdf7acb89a52b6a12494208bf61345a03",
+                "sha256:791394449e98243839fa822a637177dd42a95f4883ad3dec2a0ce6ac99fb0a9d",
+                "sha256:7a7669ff50f41225ca5d6ee0a1ec8413f3a0d8aa2b109f86d540887b7ec0d72a",
+                "sha256:7e9eac1e526386df7c70ef253b792a0a12dd86d833b1d329e038c7a235dfceb5",
+                "sha256:7ee8af0b9f7de635c61cdd5b8534b76c52cd03536f29f51151b377f76e214a1a",
+                "sha256:8246f30ca34dc712ab07e51dc34fea883c00b7ccb0e614651e49da2c49a30711",
+                "sha256:8c88b599e226994ad4db29d93bc149aa1aff3dc3a4355dd5757569ba78632bdf",
+                "sha256:923963e989ffbceaa210ac37afc9b906acebe945d2723e9679b643513837b089",
+                "sha256:94d55bd03d8671686e3f012577d9caa5421a07286dd351dfef64791cf7c6c505",
+                "sha256:97db258793d193c7b62d4e2586c6ed98d51086e93f9a3af2b2034af01450a74b",
+                "sha256:a9d6bc8642e2c67db33f1247a77c53476f3a166e09067c0474facb045756087f",
+                "sha256:cd11c7e8d21af997ee8079037fff88f16fda188a9776eb4b81c7e4c9c0a7d7fc",
+                "sha256:d8d3d4713f0c28bdc6c806a278d998546e8efc3498949e3ace6e117462ac0a5e",
+                "sha256:e0bfe9bb028974a481410432dbe1b182e8191d5d40382e5b8ff39cdd2e5c5931",
+                "sha256:f4822c0660c3754f1a41a655e37cb4dbbc9be3d35b125a37fab6f82d47674ebc",
+                "sha256:f83d281bb2a6217cd806f4cf0ddded436790e66f393e124dfe9731f6b3fb9afe",
+                "sha256:fc37870d6716b137e80d19241d0e2cff7a7643b925dfa49b4c8ebd1295eb506e"
+            ],
+            "version": "==4.6.2"
         },
         "psycopg2": {
+            "hashes": [
+                "sha256:0147e990cef0332e239de711f165b2a5e6feb7c5f8583985d4a3dcac1680a782",
+                "sha256:0c68fb507415ce022402244cffe740018c9506367fe2d6323f0b47e2544b6b36",
+                "sha256:18c2294c2a0a0df6bb5adfbcae50922b0e75909df8642c9286bf6b867866d181",
+                "sha256:26551d8873130b9558628c5f0288bd07b00c3f82f7dbfe0acf3cd7cd45746672",
+                "sha256:2a9c4bc78922be9d34a11fc38b75bef122d44f465eaf5f2a44021f7cbda3dfd6",
+                "sha256:304304e8efce4077621f9a14cb7e53cdacb4a14ec92f5628204bc4254d4840fb",
+                "sha256:32184c60b445ac9eb4a0058d54f7a5dddae6928f94dfa3683157dc5e70321212",
+                "sha256:34b7e41d1747b26df3baf5397949cc938261c547f3bce208ffc7826c3897d5ac",
+                "sha256:38ff8f65deb947a7499f24ceb5b40db24540027fdf7d927f4d2aab35fbbdd6b0",
+                "sha256:3a11a757e61e3eb5dfa334cf0ce86f9fa1919efadbb98af833eaf3bcb90d7e58",
+                "sha256:3f64897312a08928e71343fedc2a3812a1c46f03025fe327e5d41e0a7be53ee9",
+                "sha256:4004e84c2846badfa1e14ba3cf5b9d7471071c872c1dd6290013c89fa2cc63b1",
+                "sha256:4cae3856e9b41a4861ad32fd8a4aabc7669a0b828776bb3ce0ca29333dabf40c",
+                "sha256:6b26f9ec7a0c5ca1b3528918caeb3c73bfceaced3fdea59d045c886cc2c43344",
+                "sha256:74ee532d6068a1456d5eda254513656c716cdee0a7389c91c094c7ce3500a9c9",
+                "sha256:86c9355f5374b008c8479bc00023b295c07d508f7c3b91dbd2e74f8925b1d9c6",
+                "sha256:8f57535a377c23a78d5a8bbe929ec6977adb3e137fa42500436c784c60141613",
+                "sha256:905764e8d1557e536c9fac35d412a21ad87b558e794104437bf4012a83438ed2",
+                "sha256:911af115bb526b3a5d2f50e05096afc05e3867f55f24532b4a70811e63deab57",
+                "sha256:9c9fe11f87c44e83620b2273f40338e3c25fdbfd34986dddc77e840e0acd25bc",
+                "sha256:9f9de8b5e1b0b648bf4535b721a58eaccf92f747cd8d94380171a36f18553601",
+                "sha256:a14bd664f4db452612688e8031fdf74da489cb042d78d49f2bbfcfa97aae135d",
+                "sha256:ad0e145952e2e91aa1d80c4b9bd8ba9059f39b3538da7b1133b2ed84eb132ed3",
+                "sha256:b4f24faa25232073092d246fc6118c29130c8a5bcc8fd4239edeba20fb12b24a",
+                "sha256:ba6f4786262b4999f9cca420827469c88a79e1f65dabf6bb8a300518f7e11472",
+                "sha256:bf48be2d01f6e34e5fbd8976f7b66158a83a33b92739acd13fc1934c60b71cfb",
+                "sha256:ccd55766033411206d700bcd11e064081f784f256c4d4f6883dca4c3bde21ae2",
+                "sha256:d2e98ff1546c632c29f740a938ba6e29d327ef55f3e816dd43c1e4e7d8cd369a",
+                "sha256:f04d56f664108af9571d278c0ed942ecef0dd3e072fe21ac8c7497a51bfcdfba",
+                "sha256:f1f6d1b0ab40e8d43e294c7a1cc6fe6d47a88225583e581c15e8bfcff04b3863",
+                "sha256:f4cc27830081147ebca6eb729329c64b7f8e92e415733aa26705dd9f03303038"
+            ],
             "version": "==2.7.1"
         },
         "sqlalchemy": {
+            "hashes": [
+                "sha256:76f76965e9a968ba3aecd2a8bc0d991cea04fd9a182e6c95c81f1551487b0211"
+            ],
             "version": "==1.1.11"
         },
         "tqdm": {
+            "hashes": [
+                "sha256:284b7cb57c135f41122580df8a818ffffd85449a61365dfb41907d2bf115e88e",
+                "sha256:a384724dad999e038ea88e9ca56ebcd6075251230a2a7dd0b0a5c23bbad98bdd"
+            ],
             "version": "==4.14.0"
         }
     },