diff --git a/Pipfile.lock b/Pipfile.lock
index 991a0e4..dc8ed07 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": [
+                "sha256:0cf1eca0652c4409e0655e04b840d6d85b7eb18718f5fba3862acad5500e3480",
+                "sha256:10624ef1b468252309f269b13af4f837e3a82be366b5f3e49b0e83f1ad66205f",
+                "sha256:1259e374da3a575615fe402e0966c5894bae3d2e229c2239ba4ebf2bb020c4b6",
+                "sha256:26bb748af1ead0097eb8272b8a06f15a0015b8f312eef772a95f223a16e7de56",
+                "sha256:27d0b13bcfcf2f6a5664e64fc3d684c76db1cdba5a5761795d154063559e0b59",
+                "sha256:2b013fdabcbc21bc2770437099b921ec290235752b5baaac7a601f75094a378d",
+                "sha256:2e469ea2c0b722b9b393187649e7d126c537a68512fc92a676fe86e57050c2a9",
+                "sha256:37f7c2cdf513a0ea239c1609681880fb2f0073de0d2996e0ae9a7f0ef15d8b95",
+                "sha256:68c6afc7a4411db2df28307e2493c945cb3d887e8f431b81811c1ea6ba087b8b",
+                "sha256:73fe3452fc02c0b418914f842f897bdad0f1184368d8d9c315294ff7b94946f2",
+                "sha256:7584d83d7315f641510e5f97f4d636ea225fd76e3f8aee965b2e8c93a8169b4d",
+                "sha256:76e3ec6b26b1198dd5e6e20539d8360dcd3b224cd80cadba9307b790fda79161",
+                "sha256:8288a889cbaa446e5fa168837456e63098b91953c89e5857968a5091b337cdca",
+                "sha256:ad9e1fee284dec97b74cd88e925eca1575145598c974243cfb5e859f406adc32",
+                "sha256:b360c3769cf0fd7d82577e40e37d4caf693f67744d0d61d11d66b5c31eaccf7a",
+                "sha256:c4aaf320284a2713428163bae0e7df0db3b489237ab4830179210a12d56d3068",
+                "sha256:c530274e43b0f376cd94e8e0a3e6ea28de1739ec4326689bdbf626e172d2e614",
+                "sha256:ca4e79294fd0f3f9e0e5a4c309df84b5f2abc62349bfaf2aaf8965e5108ef8e2",
+                "sha256:ce2dc5a104e885abbd48d0cc92ae74afa1d685ee65d6e3497067207d6a26e177",
+                "sha256:d295cac30d3e13e82473081ea7df2a11352b5625cb54187fcd5a8be5d9ebf315",
+                "sha256:d498338b39c4757ba88bdc705b3a0647d18554856cd2d394ac3bb919ac890c9d",
+                "sha256:d537f8e613074805e17039e345edaa822534f66f07d315c89cff9824aa996d65",
+                "sha256:df8ba3f52ef59a553b0e94593ea526c34faa4f531c1ab7f5ca7f392bc770c9e3",
+                "sha256:e2553800d2d461a2dc329682d0a9068f238ec11d763e5454c61c4df7a0346ed2",
+                "sha256:e2afbe403090f5893e254958d02875e0732975e73c4c0cdd33c1f009a61963ca",
+                "sha256:e740efa625883f3c4de20c7e1411228d7ce2ab47b9e874a703f6681ec0558a30",
+                "sha256:ec7864b62da0f5ae44973351247f2250a25b9b544fc6aff8bd6a75da1156cc70",
+                "sha256:f26ddab491b10279b7e8e3fdcbaaaba3ab282fbaecfa48a19874dfc4d53b9d4f",
+                "sha256:f6a16681f30918521066ddcc4ba79c1e033c9837dd94f78f5a9f6110e7572185",
+                "sha256:f968623ac9b81a6253d4bbbe3f4d1e6be5f33707f397b566935783511bfa281a"
+            ],
+            "version": "==4.2.4"
         },
         "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"
         }
     },