diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..fc103cd 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,6 +3,7 @@
         "hash": {
             "sha256": "f0026da2573dccbb42b772bbdb3ee79f0b3c166cfacd8f8f28542a224a654bde"
         },
+        "pipfile-spec": 6,
         "requires": {},
         "sources": [
             {
@@ -13,15 +14,83 @@
     },
     "default": {
         "lxml": {
-            "version": "==3.8.0"
+            "hashes": [
+                "sha256:00ac0d64949fef6b3693813fe636a2d56d97a5a49b5bbb86e4cc4cc50ebc9ea2",
+                "sha256:0571e607558665ed42e450d7bf0e2941d542c18e117b1ebbf0ba72f287ad841c",
+                "sha256:0e3f04a7615fdac0be5e18b2406529521d6dbdb0167d2a690ee328bef7807487",
+                "sha256:13cf89be53348d1c17b453867da68704802966c433b2bb4fa1f970daadd2ef70",
+                "sha256:217262fcf6a4c2e1c7cb1efa08bd9ebc432502abc6c255c4abab611e8be0d14d",
+                "sha256:223e544828f1955daaf4cefbb4853bc416b2ec3fd56d4f4204a8b17007c21250",
+                "sha256:277cb61fede2f95b9c61912fefb3d43fbd5f18bf18a14fae4911b67984486f5d",
+                "sha256:3213f753e8ae86c396e0e066866e64c6b04618e85c723b32ecb0909885211f74",
+                "sha256:4690984a4dee1033da0af6df0b7a6bde83f74e1c0c870623797cec77964de34d",
+                "sha256:4fcc472ef87f45c429d3b923b925704aa581f875d65bac80f8ab0c3296a63f78",
+                "sha256:61409bd745a265a742f2693e4600e4dbd45cc1daebe1d5fad6fcb22912d44145",
+                "sha256:678f1963f755c5d9f5f6968dded7b245dd1ece8cf53c1aa9d80e6734a8c7f41d",
+                "sha256:6c6d03549d4e2734133badb9ab1c05d9f0ef4bcd31d83e5d2b4747c85cfa21da",
+                "sha256:6e74d5f4d6ecd6942375c52ffcd35f4318a61a02328f6f1bd79fcb4ffedf969e",
+                "sha256:7b4fc7b1ecc987ca7aaf3f4f0e71bbfbd81aaabf87002558f5bc95da3a865bcd",
+                "sha256:7ed386a40e172ddf44c061ad74881d8622f791d9af0b6f5be20023029129bc85",
+                "sha256:8f54f0924d12c47a382c600c880770b5ebfc96c9fd94cf6f6bdc21caf6163ea7",
+                "sha256:ad9b81351fdc236bda538efa6879315448411a81186c836d4b80d6ca8217cdb9",
+                "sha256:bbd00e21ea17f7bcc58dccd13869d68441b32899e89cf6cfa90d624a9198ce85",
+                "sha256:c3c289762cc09735e2a8f8a49571d0e8b4f57ea831ea11558247b5bdea0ac4db",
+                "sha256:cf4650942de5e5685ad308e22bcafbccfe37c54aa7c0e30cd620c2ee5c93d336",
+                "sha256:cfcbc33c9c59c93776aa41ab02e55c288a042211708b72fdb518221cc803abc8",
+                "sha256:e301055deadfedbd80cf94f2f65ff23126b232b0d1fea28f332ce58137bcdb18",
+                "sha256:ebbfe24df7f7b5c6c7620702496b6419f6a9aa2fd7f005eb731cc80d7b4692b9",
+                "sha256:eff69ddbf3ad86375c344339371168640951c302450c5d3e9936e98d6459db06",
+                "sha256:f6ed60a62c5f1c44e789d2cf14009423cb1646b44a43e40a9cf6a21f077678a1"
+            ],
+            "version": "==4.4.2"
         },
         "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"
         }
     },