diff --git a/Pipfile b/Pipfile
index a34abb2c..94ada268 100644
--- a/Pipfile
+++ b/Pipfile
@@ -19,6 +19,6 @@ lxml = "==4.4.2"
 
 [dev-packages]
 flake8 = "==3.7.9"
-mypy = "==0.740"
+mypy = "==0.761"
 mypy-extensions = "==0.4.3"
 pytest = "==5.3.0"
diff --git a/Pipfile.lock b/Pipfile.lock
index 8263a195..0b147cd3 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "afa1dac5c2cc7b4f4b9343408526513f5587bb82d086bd28b53885f120a765fe"
+            "sha256": "923074ed8c3aa96a8c995697bfc32942f0f414a943757a77b9c8e2e892889ba4"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -33,10 +33,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
-                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
+                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
+                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
             ],
-            "version": "==2019.9.11"
+            "version": "==2019.11.28"
         },
         "cffi": {
             "hashes": [
@@ -99,10 +99,10 @@
         },
         "colorama": {
             "hashes": [
-                "sha256:05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d",
-                "sha256:f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"
+                "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff",
+                "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"
             ],
-            "version": "==0.4.1"
+            "version": "==0.4.3"
         },
         "dnspython": {
             "hashes": [
@@ -182,21 +182,31 @@
         },
         "lxml": {
             "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"
             ],
             "index": "pypi",
@@ -220,21 +230,37 @@
         },
         "pycares": {
             "hashes": [
-                "sha256:2ca080db265ea238dc45f997f94effb62b979a617569889e265c26a839ed6305",
-                "sha256:6f79c6afb6ce603009db2042fddc2e348ad093ece9784cbe2daa809499871a23",
-                "sha256:70918d06eb0603016d37092a5f2c0228509eb4e6c5a3faacb4184f6ab7be7650",
-                "sha256:755187d28d24a9ea63aa2b4c0638be31d65fbf7f0ce16d41261b9f8cb55a1b99",
-                "sha256:7baa4b1f2146eb8423ff8303ebde3a20fb444a60db761fba0430d104fe35ddbf",
-                "sha256:90b27d4df86395f465a171386bc341098d6d47b65944df46518814ae298f6cc6",
-                "sha256:9e090dd6b2afa65cb51c133883b2bf2240fd0f717b130b0048714b33fb0f47ce",
-                "sha256:a11b7d63c3718775f6e805d6464cb10943780395ab042c7e5a0a7a9f612735dd",
-                "sha256:b253f5dcaa0ac7076b79388a3ac80dd8f3bd979108f813baade40d3a9b8bf0bd",
-                "sha256:c7f4f65e44ba35e35ad3febc844270665bba21cfb0fb7d749434e705b556e087",
-                "sha256:cdb342e6a254f035bd976d95807a2184038fc088d957a5104dcaab8be602c093",
-                "sha256:cf08e164f8bfb83b9fe633feb56f2754fae6baefcea663593794fa0518f8f98c",
-                "sha256:df9bc694cf03673878ea8ce674082c5acd134991d64d6c306d4bd61c0c1df98f"
+                "sha256:03070bc94e1641fe7b5ddd51fdbeed7b7a32a6d062f7fd2d53acc7a4533bc3b9",
+                "sha256:072dabbb7e628412f090b0e30fe37900e719ab210d6a919ba714af2a5f60e715",
+                "sha256:07983aa16520df7f0db55b6b245a059f5a45cf0191e9c8b5c5597e81a5549f07",
+                "sha256:15f102fb3c7aeb5d2ad3b74be389ac161d5dfa0a04a09b1cf7024484229fda40",
+                "sha256:1b1bd9dd25eeab154b2659e6a59a78a4c7f575d4641ce6fcb2c3e8c308748533",
+                "sha256:1b649c379c67ed9d5f9b2cfc9df2613efa1abb6a837a70943f600cb51305e9f7",
+                "sha256:2ccddc69b1d5867551c0a709aac01317d01d525a4977bbf223d9d1fe739d20f0",
+                "sha256:30d5b968a33e80741abbc7731456f7fabd204dfad5be6089bb0b6396459e59a2",
+                "sha256:4232798cd5d48939588fe540d02923c9620982246f33913f8603410f9cab782b",
+                "sha256:57b4ef5a70364bc6d40e88c733705f1bea4098bc70a5c0899c0d5be7e3b7432d",
+                "sha256:5a4c87013d420453dfe793d5d73bfcefb5bf6eeaa310a41723ad6aa6a1de46d5",
+                "sha256:613e8958c1667d7b27fde9f3b9c34bf55b1795a89f0d008c83ee6542b02aca50",
+                "sha256:663c000625725d3a63466a674df4ee7f62bf8ca1ae8a0b87a6411eb811e0e794",
+                "sha256:72652bcb5f738817753d586dd9fa66a0746f5cd4ff9037ab628cb9dc49a8ef6b",
+                "sha256:73fceb68d430e8c284a2118b44f54e32cb921111b611eba392db85f8de8bb02b",
+                "sha256:9274799f39f2b4a15bee84b2c0016b3b05eb0d27704c396288a3fa03f649e320",
+                "sha256:9b379c4cf483defe5cf9bacbd571827f7e7b9896dd910512e4fa78b78cc4ecd2",
+                "sha256:b6aff158ed2fafdb18b456ea98e08cad35f8724628f90318cc8ff72ed0b22244",
+                "sha256:c480d34dd039a4537c512428249c4b329307e4f00e1d941658d40c7277713989",
+                "sha256:ca01c2abc7356b34b54559bfce6c6acd2d66dfb5ea0550e3fe9e0cbd1a956867",
+                "sha256:cbe39462af102bc414f1a7e4407e507b1bd1dbfb282e9ca4bfaa54d4e75a5083",
+                "sha256:ccddb5e7df99f3b90ffe56310b195a61e30023df93668a19cdbd5872b29b6caf",
+                "sha256:d1ca9bcd903e77972f75729944d6d5a49b7135108531236f732789180729ba44",
+                "sha256:d2d362885bcfa56b8e08a07f951862e71b2f3547c3a6e0817d93417f0f765168",
+                "sha256:d54ee1ae7e7b18d131b226d3cf5e75cedb35eef119edb237c0ef01aff4c0d6fb",
+                "sha256:e1374f8a50453e5969ecbd3137dba10ec95b116151fc5cd06168d4ca756f21ef",
+                "sha256:ee4eaa6a4be4b0dd7b797ed481d3c98318cd22c9fee1684adf0ee2e062282a7f",
+                "sha256:f36d9e677694732ac1c364f7d966b112b7c068c15198fdf73f715e22773ad35e",
+                "sha256:f8983c1695d2fbc53bf6d649a28cd6a1dab39a7aa8452c745f4042ac5462cecf"
             ],
-            "version": "==3.0.0"
+            "version": "==3.1.0"
         },
         "pycparser": {
             "hashes": [
@@ -313,10 +339,10 @@
         },
         "xlsxwriter": {
             "hashes": [
-                "sha256:027fa3d22ccfb5da5d77c29ed740aece286a9a6cc101b564f2f7ca11eb1d490b",
-                "sha256:5d480cee5babf3865227d5c81269d96be8e87914fc96403ca6fa1b1e4f64c080"
+                "sha256:18fe8f891a4adf7556c05d56059e136f9fbce5b19f9335f6d7b42c389c4592bc",
+                "sha256:5d3630ff9b2a277c939bd5053d0e7466499593abebbab9ce1dc9b1481a8ebbb6"
             ],
-            "version": "==1.2.6"
+            "version": "==1.2.7"
         }
     },
     "develop": {
@@ -342,14 +368,6 @@
             "index": "pypi",
             "version": "==3.7.9"
         },
-        "importlib-metadata": {
-            "hashes": [
-                "sha256:aa18d7378b00b40847790e7c27e11673d7fed219354109d0e7b9e5b25dc3ad26",
-                "sha256:d5f18a79777f3aa179c145737780282e27b508fc8fd688cb17c7a813e8bd39af"
-            ],
-            "markers": "python_version < '3.8'",
-            "version": "==0.23"
-        },
         "mccabe": {
             "hashes": [
                 "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
@@ -359,30 +377,30 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
-                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+                "sha256:b84b238cce0d9adad5ed87e745778d20a3f8487d0f0cb8b8a586816c7496458d",
+                "sha256:c833ef592a0324bcc6a60e48440da07645063c453880c9477ceb22490aec1564"
             ],
-            "version": "==7.2.0"
+            "version": "==8.0.2"
         },
         "mypy": {
             "hashes": [
-                "sha256:1521c186a3d200c399bd5573c828ea2db1362af7209b2adb1bb8532cea2fb36f",
-                "sha256:31a046ab040a84a0fc38bc93694876398e62bc9f35eca8ccbf6418b7297f4c00",
-                "sha256:3b1a411909c84b2ae9b8283b58b48541654b918e8513c20a400bb946aa9111ae",
-                "sha256:48c8bc99380575deb39f5d3400ebb6a8a1cb5cc669bbba4d3bb30f904e0a0e7d",
-                "sha256:540c9caa57a22d0d5d3c69047cc9dd0094d49782603eb03069821b41f9e970e9",
-                "sha256:672e418425d957e276c291930a3921b4a6413204f53fe7c37cad7bc57b9a3391",
-                "sha256:6ed3b9b3fdc7193ea7aca6f3c20549b377a56f28769783a8f27191903a54170f",
-                "sha256:9371290aa2cad5ad133e4cdc43892778efd13293406f7340b9ffe99d5ec7c1d9",
-                "sha256:ace6ac1d0f87d4072f05b5468a084a45b4eda970e4d26704f201e06d47ab2990",
-                "sha256:b428f883d2b3fe1d052c630642cc6afddd07d5cd7873da948644508be3b9d4a7",
-                "sha256:d5bf0e6ec8ba346a2cf35cb55bf4adfddbc6b6576fcc9e10863daa523e418dbb",
-                "sha256:d7574e283f83c08501607586b3167728c58e8442947e027d2d4c7dcd6d82f453",
-                "sha256:dc889c84241a857c263a2b1cd1121507db7d5b5f5e87e77147097230f374d10b",
-                "sha256:f4748697b349f373002656bf32fede706a0e713d67bfdcf04edf39b1f61d46eb"
+                "sha256:0a9a45157e532da06fe56adcfef8a74629566b607fa2c1ac0122d1ff995c748a",
+                "sha256:2c35cae79ceb20d47facfad51f952df16c2ae9f45db6cb38405a3da1cf8fc0a7",
+                "sha256:4b9365ade157794cef9685791032521233729cb00ce76b0ddc78749abea463d2",
+                "sha256:53ea810ae3f83f9c9b452582261ea859828a9ed666f2e1ca840300b69322c474",
+                "sha256:634aef60b4ff0f650d3e59d4374626ca6153fcaff96ec075b215b568e6ee3cb0",
+                "sha256:7e396ce53cacd5596ff6d191b47ab0ea18f8e0ec04e15d69728d530e86d4c217",
+                "sha256:7eadc91af8270455e0d73565b8964da1642fe226665dd5c9560067cd64d56749",
+                "sha256:7f672d02fffcbace4db2b05369142e0506cdcde20cea0e07c7c2171c4fd11dd6",
+                "sha256:85baab8d74ec601e86134afe2bcccd87820f79d2f8d5798c889507d1088287bf",
+                "sha256:87c556fb85d709dacd4b4cb6167eecc5bbb4f0a9864b69136a0d4640fdc76a36",
+                "sha256:a6bd44efee4dc8c3324c13785a9dc3519b3ee3a92cada42d2b57762b7053b49b",
+                "sha256:c6d27bd20c3ba60d5b02f20bd28e20091d6286a699174dfad515636cb09b5a72",
+                "sha256:e2bb577d10d09a2d8822a042a23b8d62bc3b269667c9eb8e60a6edfa000211b1",
+                "sha256:f97a605d7c8bc2c6d1172c2f0d5a65b24142e11a58de689046e62c2d632ca8c1"
             ],
             "index": "pypi",
-            "version": "==0.740"
+            "version": "==0.761"
         },
         "mypy-extensions": {
             "hashes": [
@@ -488,13 +506,6 @@
                 "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"
             ],
             "version": "==0.1.7"
-        },
-        "zipp": {
-            "hashes": [
-                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
-                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
-            ],
-            "version": "==0.6.0"
         }
     }
 }