diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..f27c4e2 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": [
+                "sha256:0dd6589fa75d369ba06d2b5f38dae107f76ea127f212f6a7bee134f6df2d1d21",
+                "sha256:1afbac344aa68c29e81ab56c1a9411c3663157b5aee5065b7fa030b398d4f7e0",
+                "sha256:1baad9d073692421ad5dbbd81430aba6c7f5fdc347f03537ae046ddf2c9b2297",
+                "sha256:1d8736421a2358becd3edf20260e41a06a0bf08a560480d3a5734a6bcbacf591",
+                "sha256:1e1d9bddc5afaddf0de76246d3f2152f961697ad7439c559f179002682c45801",
+                "sha256:1f179dc8b2643715f020f4d119d5529b02cd794c1c8f305868b73b8674d2a03f",
+                "sha256:241fb7bdf97cb1df1edfa8f0bcdfd80525d4023dac4523a241907c8b2f44e541",
+                "sha256:2f9765ee5acd3dbdcdc0d0c79309e01f7c16bc8d39b49250bf88de7b46daaf58",
+                "sha256:312e1e1b1c3ce0c67e0b8105317323e12807955e8186872affb667dbd67971f6",
+                "sha256:3273db1a8055ca70257fd3691c6d2c216544e1a70b673543e15cc077d8e9c730",
+                "sha256:34dfaa8c02891f9a246b17a732ca3e99c5e42802416628e740a5d1cb2f50ff49",
+                "sha256:3aa3f5288af349a0f3a96448ebf2e57e17332d99f4f30b02093b7948bd9f94cc",
+                "sha256:51102e160b9d83c1cc435162d90b8e3c8c93b28d18d87b60c56522d332d26879",
+                "sha256:56115fc2e2a4140e8994eb9585119a1ae9223b506826089a3ba753a62bd194a6",
+                "sha256:69d83de14dbe8fe51dccfd36f88bf0b40f5debeac763edf9f8325180190eba6e",
+                "sha256:99fdce94aeaa3ccbdfcb1e23b34273605c5853aa92ec23d84c84765178662c6c",
+                "sha256:a7c0cd5b8a20f3093ee4a67374ccb3b8a126743b15a4d759e2a1bf098faac2b2",
+                "sha256:abe12886554634ed95416a46701a917784cb2b4c77bfacac6916681d49bbf83d",
+                "sha256:b4f67b5183bd5f9bafaeb76ad119e977ba570d2b0e61202f534ac9b5c33b4485",
+                "sha256:bdd7c1658475cc1b867b36d5c4ed4bc316be8d3368abe03d348ba906a1f83b0e",
+                "sha256:c6f24149a19f611a415a51b9bc5f17b6c2f698e0d6b41ffb3fa9f24d35d05d73",
+                "sha256:d1e111b3ab98613115a208c1017f266478b0ab224a67bc8eac670fa0bad7d488",
+                "sha256:d6520aa965773bbab6cb7a791d5895b00d02cf9adc93ac2bf4edb9ac1a6addc5",
+                "sha256:dd185cde2ccad7b649593b0cda72021bc8a91667417001dbaf24cd746ecb7c11",
+                "sha256:de2e5b0828a9d285f909b5d2e9d43f1cf6cf21fe65bc7660bdaa1780c7b58298",
+                "sha256:f726444b8e909c4f41b4fde416e1071cf28fa84634bfb4befdf400933b6463af"
+            ],
+            "version": "==4.3.0"
         },
         "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"
         }
     },