diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..647512d 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -3,6 +3,7 @@
         "hash": {
             "sha256": "f0026da2573dccbb42b772bbdb3ee79f0b3c166cfacd8f8f28542a224a654bde"
         },
+        "pipfile-spec": 6,
         "requires": {},
         "sources": [
             {
@@ -13,15 +14,87 @@
     },
     "default": {
         "lxml": {
-            "version": "==3.8.0"
+            "hashes": [
+                "sha256:16cf8bac33ec17049617186d63006ba49da7c5be417042877a49f0ef6d7a195d",
+                "sha256:18f2d8f14cc61e66e8a45f740d15b6fc683c096f733db1f8d0ee15bcac9843de",
+                "sha256:260868f69d14a64dd1de9cf92e133d2f71514d288de4906f109bdf48ca9b756a",
+                "sha256:29b8acd8ecdf772266dbac491f203c71664b0b07ad4309ba2c3bb131306332fc",
+                "sha256:2b05e5e06f8e8c63595472dc887d0d6e0250af754a35ba690f6a6abf2ef85691",
+                "sha256:30d6ec05fb607a5b7345549f642c7c7a5b747b634f6d5e935596b910f243f96f",
+                "sha256:3bf683f0237449ebc1851098f664410e3c99ba3faa8c9cc82c6acfe857df1767",
+                "sha256:3ce5488121eb15513c4b239dadd67f9e7959511bd766aac6be0c35e80274f298",
+                "sha256:48be0c375350a5519bb9474b42a9c0e7ab709fb45f11bfcd33de876791137896",
+                "sha256:49bc343ca3b30cd860845433bb9f62448a54ff87b632175108bacbc5dc63e49e",
+                "sha256:4cc7531e86a43ea66601763c5914c3d3adb297f32e4284957609b90d41825fca",
+                "sha256:4e9822fad564d82035f0b6d701a890444560210f8a8648b8f15850f8fe883cd9",
+                "sha256:51a9a441aefc8c93512bad5efe867d2ff086e7249ce0fc3b47c310644b352936",
+                "sha256:5bbed9efc8aeb69929140f71a30e655bf496b45b766861513960e1b11168d475",
+                "sha256:60a5323b2bc893ca1059d283d6695a172d51cc95a70c25b3e587e1aad5459c38",
+                "sha256:7035d9361f3ceec9ccc1dd3482094d1174580e7e1bf6870b77ea758f7cad15d2",
+                "sha256:76d62cc048bda0ebf476689ad3eb8e65e6827e43a7521be3b163071020667b8c",
+                "sha256:78163b578e6d1836012febaa1865e095ccc7fc826964dd69a2dbfe401618a1f7",
+                "sha256:83b58b2b5904d50de03a47e2f56d24e9da4cf7e3b0d66fb4510b18fca0faf910",
+                "sha256:a07447e46fffa5bb4d7a0af0a6505c8517e9bd197cfd2aec79e499b6e86cde49",
+                "sha256:a17d808b3edca4aaf6b295b5a388c844a0b7f79aca2d79eec5acc1461db739e3",
+                "sha256:a378fd61022cf4d3b492134c3bc48204ac2ff19e0813b23e07c3dd95ae8df0bc",
+                "sha256:aa7d096a44ae3d475c5ed763e24cf302d32462e78b61bba73ce1ad0efb8f522a",
+                "sha256:ade8785c93a985956ba6499d5ea6d0a362e24b4a9ba07dd18920fd67cccf63ea",
+                "sha256:cc039668f91d8af8c4094cfb5a67c7ae733967fdc84c0507fe271db81480d367",
+                "sha256:d89f1ffe98744c4b5c11f00fb843a4e72f68a6279b5e38168167f1b3c0fdd84c",
+                "sha256:e691b6ef6e27437860016bd6c32e481bdc2ed3af03289707a38b9ca422105f40",
+                "sha256:e750da6ac3ca624ae3303df448664012f9b6f9dfbc5d50048ea8a12ce2f8bc29",
+                "sha256:eca305b200549906ea25648463aeb1b3b220b716415183eaa99c998a846936d9",
+                "sha256:f52fe795e08858192eea167290033b5ff24f50f51781cb78d989e8d63cfe73d1"
+            ],
+            "version": "==4.2.6"
         },
         "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"
         }
     },