diff --git a/Pipfile.lock b/Pipfile.lock
index 960ecb5..3d45e6f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,10 +18,10 @@
     "default": {
         "colorama": {
             "hashes": [
-                "sha256:a3d89af5db9e9806a779a50296b5fdb466e281147c2c235e8225ecc6dbf7bbf3",
-                "sha256:c9b54bebe91a6a803e0772c8561d53f2926bfeb17cd141fbabcb08424086595c"
+                "sha256:05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d",
+                "sha256:f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"
             ],
-            "version": "==0.4.0"
+            "version": "==0.4.1"
         },
         "crayons": {
             "hashes": [
@@ -33,11 +33,11 @@
         },
         "piexif": {
             "hashes": [
-                "sha256:c53b7209e26b1cf9312704befe1b02f5b2002b92d9dd1d9a125bc00c50971e8d",
-                "sha256:c996bcd600afaf126ee142e058a8d62059046a217105a9a270ac48457bcc5544"
+                "sha256:22e40356e4b4d5069787caa010ae77779c7cf8fc875ba43103ded2a2fc7b0c5f",
+                "sha256:60cd973f7b5a6d999c3bb60b784745c8d5345486ef62708ffdc5cc4a78e44636"
             ],
             "index": "pypi",
-            "version": "==1.1.1"
+            "version": "==1.1.2"
         },
         "pillow": {
             "hashes": [
@@ -86,10 +86,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
-                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
+                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
             ],
-            "version": "==2018.10.15"
+            "version": "==2018.11.29"
         },
         "chardet": {
             "hashes": [
@@ -100,42 +100,40 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:03481e81d558d30d230bc12999e3edffe392d244349a90f4ef9b88425fac74ba",
-                "sha256:0b136648de27201056c1869a6c0d4e23f464750fd9a9ba9750b8336a244429ed",
-                "sha256:0bf8cbbd71adfff0ef1f3a1531e6402d13b7b01ac50a79c97ca15f030dba6306",
-                "sha256:10a46017fef60e16694a30627319f38a2b9b52e90182dddb6e37dcdab0f4bf95",
-                "sha256:198626739a79b09fa0a2f06e083ffd12eb55449b5f8bfdbeed1df4910b2ca640",
-                "sha256:23d341cdd4a0371820eb2b0bd6b88f5003a7438bbedb33688cd33b8eae59affd",
-                "sha256:28b2191e7283f4f3568962e373b47ef7f0392993bb6660d079c62bd50fe9d162",
-                "sha256:2a5b73210bad5279ddb558d9a2bfedc7f4bf6ad7f3c988641d83c40293deaec1",
-                "sha256:2eb564bbf7816a9d68dd3369a510be3327f1c618d2357fa6b1216994c2e3d508",
-                "sha256:337ded681dd2ef9ca04ef5d93cfc87e52e09db2594c296b4a0a3662cb1b41249",
-                "sha256:3a2184c6d797a125dca8367878d3b9a178b6fdd05fdc2d35d758c3006a1cd694",
-                "sha256:3c79a6f7b95751cdebcd9037e4d06f8d5a9b60e4ed0cd231342aa8ad7124882a",
-                "sha256:3d72c20bd105022d29b14a7d628462ebdc61de2f303322c0212a054352f3b287",
-                "sha256:3eb42bf89a6be7deb64116dd1cc4b08171734d721e7a7e57ad64cc4ef29ed2f1",
-                "sha256:4635a184d0bbe537aa185a34193898eee409332a8ccb27eea36f262566585000",
-                "sha256:56e448f051a201c5ebbaa86a5efd0ca90d327204d8b059ab25ad0f35fbfd79f1",
-                "sha256:5a13ea7911ff5e1796b6d5e4fbbf6952381a611209b736d48e675c2756f3f74e",
-                "sha256:69bf008a06b76619d3c3f3b1983f5145c75a305a0fea513aca094cae5c40a8f5",
-                "sha256:6bc583dc18d5979dc0f6cec26a8603129de0304d5ae1f17e57a12834e7235062",
-                "sha256:701cd6093d63e6b8ad7009d8a92425428bc4d6e7ab8d75efbb665c806c1d79ba",
-                "sha256:7608a3dd5d73cb06c531b8925e0ef8d3de31fed2544a7de6c63960a1e73ea4bc",
-                "sha256:76ecd006d1d8f739430ec50cc872889af1f9c1b6b8f48e29941814b09b0fd3cc",
-                "sha256:7aa36d2b844a3e4a4b356708d79fd2c260281a7390d678a10b91ca595ddc9e99",
-                "sha256:7d3f553904b0c5c016d1dad058a7554c7ac4c91a789fca496e7d8347ad040653",
-                "sha256:7e1fe19bd6dce69d9fd159d8e4a80a8f52101380d5d3a4d374b6d3eae0e5de9c",
-                "sha256:8c3cb8c35ec4d9506979b4cf90ee9918bc2e49f84189d9bf5c36c0c1119c6558",
-                "sha256:9d6dd10d49e01571bf6e147d3b505141ffc093a06756c60b053a859cb2128b1f",
-                "sha256:be6cfcd8053d13f5f5eeb284aa8a814220c3da1b0078fa859011c7fffd86dab9",
-                "sha256:c1bb572fab8208c400adaf06a8133ac0712179a334c09224fb11393e920abcdd",
-                "sha256:de4418dadaa1c01d497e539210cb6baa015965526ff5afc078c57ca69160108d",
-                "sha256:e05cb4d9aad6233d67e0541caa7e511fa4047ed7750ec2510d466e806e0255d6",
-                "sha256:f05a636b4564104120111800021a92e43397bc12a5c72fed7036be8556e0029e",
-                "sha256:f3f501f345f24383c0000395b26b726e46758b71393267aeae0bd36f8b3ade80"
+                "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
+                "sha256:0a1f9b0eb3aa15c990c328535655847b3420231af299386cfe5efc98f9c250fe",
+                "sha256:0cc941b37b8c2ececfed341444a456912e740ecf515d560de58b9a76562d966d",
+                "sha256:10e8af18d1315de936d67775d3a814cc81d0747a1a0312d84e27ae5610e313b0",
+                "sha256:1b4276550b86caa60606bd3572b52769860a81a70754a54acc8ba789ce74d607",
+                "sha256:1e8a2627c48266c7b813975335cfdea58c706fe36f607c97d9392e61502dc79d",
+                "sha256:2b224052bfd801beb7478b03e8a66f3f25ea56ea488922e98903914ac9ac930b",
+                "sha256:447c450a093766744ab53bf1e7063ec82866f27bcb4f4c907da25ad293bba7e3",
+                "sha256:46101fc20c6f6568561cdd15a54018bb42980954b79aa46da8ae6f008066a30e",
+                "sha256:4710dc676bb4b779c4361b54eb308bc84d64a2fa3d78e5f7228921eccce5d815",
+                "sha256:510986f9a280cd05189b42eee2b69fecdf5bf9651d4cd315ea21d24a964a3c36",
+                "sha256:5535dda5739257effef56e49a1c51c71f1d37a6e5607bb25a5eee507c59580d1",
+                "sha256:5a7524042014642b39b1fcae85fb37556c200e64ec90824ae9ecf7b667ccfc14",
+                "sha256:5f55028169ef85e1fa8e4b8b1b91c0b3b0fa3297c4fb22990d46ff01d22c2d6c",
+                "sha256:6694d5573e7790a0e8d3d177d7a416ca5f5c150742ee703f3c18df76260de794",
+                "sha256:6831e1ac20ac52634da606b658b0b2712d26984999c9d93f0c6e59fe62ca741b",
+                "sha256:77f0d9fa5e10d03aa4528436e33423bfa3718b86c646615f04616294c935f840",
+                "sha256:828ad813c7cdc2e71dcf141912c685bfe4b548c0e6d9540db6418b807c345ddd",
+                "sha256:85a06c61598b14b015d4df233d249cd5abfa61084ef5b9f64a48e997fd829a82",
+                "sha256:8cb4febad0f0b26c6f62e1628f2053954ad2c555d67660f28dfb1b0496711952",
+                "sha256:a5c58664b23b248b16b96253880b2868fb34358911400a7ba39d7f6399935389",
+                "sha256:aaa0f296e503cda4bc07566f592cd7a28779d433f3a23c48082af425d6d5a78f",
+                "sha256:ab235d9fe64833f12d1334d29b558aacedfbca2356dfb9691f2d0d38a8a7bfb4",
+                "sha256:b3b0c8f660fae65eac74fbf003f3103769b90012ae7a460863010539bb7a80da",
+                "sha256:bab8e6d510d2ea0f1d14f12642e3f35cefa47a9b2e4c7cea1852b52bc9c49647",
+                "sha256:c45297bbdbc8bb79b02cf41417d63352b70bcb76f1bbb1ee7d47b3e89e42f95d",
+                "sha256:d19bca47c8a01b92640c614a9147b081a1974f69168ecd494687c827109e8f42",
+                "sha256:d64b4340a0c488a9e79b66ec9f9d77d02b99b772c8b8afd46c1294c1d39ca478",
+                "sha256:da969da069a82bbb5300b59161d8d7c8d423bc4ccd3b410a9b4d8932aeefc14b",
+                "sha256:ed02c7539705696ecb7dc9d476d861f3904a8d2b7e894bd418994920935d36bb",
+                "sha256:ee5b8abc35b549012e03a7b1e86c09491457dba6c94112a2482b18589cc2bdb9"
             ],
             "index": "pypi",
-            "version": "==4.5.1"
+            "version": "==4.5.2"
         },
         "coveralls": {
             "hashes": [
@@ -161,18 +159,18 @@
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.7"
+            "version": "==2.8"
         },
         "mypy": {
             "hashes": [
-                "sha256:8e071ec32cc226e948a34bbb3d196eb0fd96f3ac69b6843a5aff9bd4efa14455",
-                "sha256:fb90c804b84cfd8133d3ddfbd630252694d11ccc1eb0166a1b2efb5da37ecab2"
+                "sha256:12d965c9c4e8a625673aec493162cf390e66de12ef176b1f4821ac00d55f3ab3",
+                "sha256:38d5b5f835a81817dcc0af8d155bce4e9aefa03794fe32ed154d6612e83feafa"
             ],
             "index": "pypi",
-            "version": "==0.641"
+            "version": "==0.650"
         },
         "mypy-extensions": {
             "hashes": [
@@ -198,10 +196,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
-                "sha256:dbae1046def0efb574852fab9e90209b23f556367b5a320c0bcb871c77c3e8cc"
+                "sha256:5ffada19f6203563680669ee7f53b64dabbeb100eb51b61996085e99c03b284a",
+                "sha256:e8218dd399a61674745138520d0d4cf2621d7e032439341bc3f647bff125818d"
             ],
-            "version": "==2.2.0"
+            "version": "==2.3.1"
         },
         "readme-renderer": {
             "hashes": [
@@ -212,10 +210,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
-                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
+                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
+                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
             ],
-            "version": "==2.20.0"
+            "version": "==2.21.0"
         },
         "requests-toolbelt": {
             "hashes": [
@@ -226,10 +224,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
             ],
-            "version": "==1.11.0"
+            "version": "==1.12.0"
         },
         "tqdm": {
             "hashes": [
@@ -248,31 +246,29 @@
         },
         "typed-ast": {
             "hashes": [
-                "sha256:0948004fa228ae071054f5208840a1e88747a357ec1101c17217bfe99b299d58",
-                "sha256:10703d3cec8dcd9eef5a630a04056bbc898abc19bac5691612acba7d1325b66d",
-                "sha256:1f6c4bd0bdc0f14246fd41262df7dfc018d65bb05f6e16390b7ea26ca454a291",
-                "sha256:25d8feefe27eb0303b73545416b13d108c6067b846b543738a25ff304824ed9a",
-                "sha256:29464a177d56e4e055b5f7b629935af7f49c196be47528cc94e0a7bf83fbc2b9",
-                "sha256:2e214b72168ea0275efd6c884b114ab42e316de3ffa125b267e732ed2abda892",
-                "sha256:3e0d5e48e3a23e9a4d1a9f698e32a542a4a288c871d33ed8df1b092a40f3a0f9",
-                "sha256:519425deca5c2b2bdac49f77b2c5625781abbaf9a809d727d3a5596b30bb4ded",
-                "sha256:57fe287f0cdd9ceaf69e7b71a2e94a24b5d268b35df251a88fef5cc241bf73aa",
-                "sha256:668d0cec391d9aed1c6a388b0d5b97cd22e6073eaa5fbaa6d2946603b4871efe",
-                "sha256:68ba70684990f59497680ff90d18e756a47bf4863c604098f10de9716b2c0bdd",
-                "sha256:6de012d2b166fe7a4cdf505eee3aaa12192f7ba365beeefaca4ec10e31241a85",
-                "sha256:79b91ebe5a28d349b6d0d323023350133e927b4de5b651a8aa2db69c761420c6",
-                "sha256:8550177fa5d4c1f09b5e5f524411c44633c80ec69b24e0e98906dd761941ca46",
-                "sha256:898f818399cafcdb93cbbe15fc83a33d05f18e29fb498ddc09b0214cdfc7cd51",
-                "sha256:94b091dc0f19291adcb279a108f5d38de2430411068b219f41b343c03b28fb1f",
-                "sha256:a26863198902cda15ab4503991e8cf1ca874219e0118cbf07c126bce7c4db129",
-                "sha256:a8034021801bc0440f2e027c354b4eafd95891b573e12ff0418dec385c76785c",
-                "sha256:bc978ac17468fe868ee589c795d06777f75496b1ed576d308002c8a5756fb9ea",
-                "sha256:c05b41bc1deade9f90ddc5d988fe506208019ebba9f2578c622516fd201f5863",
-                "sha256:c9b060bd1e5a26ab6e8267fd46fc9e02b54eb15fffb16d112d4c7b1c12987559",
-                "sha256:edb04bdd45bfd76c8292c4d9654568efaedf76fe78eb246dde69bdb13b2dad87",
-                "sha256:f19f2a4f547505fe9072e15f6f4ae714af51b5a681a97f187971f50c283193b6"
+                "sha256:0555eca1671ebe09eb5f2176723826f6f44cca5060502fea259de9b0e893ab53",
+                "sha256:0ca96128ea66163aea13911c9b4b661cb345eb729a20be15c034271360fc7474",
+                "sha256:16ccd06d614cf81b96de42a37679af12526ea25a208bce3da2d9226f44563868",
+                "sha256:1e21ae7b49a3f744958ffad1737dfbdb43e1137503ccc59f4e32c4ac33b0bd1c",
+                "sha256:37670c6fd857b5eb68aa5d193e14098354783b5138de482afa401cc2644f5a7f",
+                "sha256:46d84c8e3806619ece595aaf4f37743083f9454c9ea68a517f1daa05126daf1d",
+                "sha256:5b972bbb3819ece283a67358103cc6671da3646397b06e7acea558444daf54b2",
+                "sha256:6306ffa64922a7b58ee2e8d6f207813460ca5a90213b4a400c2e730375049246",
+                "sha256:6cb25dc95078931ecbd6cbcc4178d1b8ae8f2b513ae9c3bd0b7f81c2191db4c6",
+                "sha256:7e19d439fee23620dea6468d85bfe529b873dace39b7e5b0c82c7099681f8a22",
+                "sha256:7f5cd83af6b3ca9757e1127d852f497d11c7b09b4716c355acfbebf783d028da",
+                "sha256:81e885a713e06faeef37223a5b1167615db87f947ecc73f815b9d1bbd6b585be",
+                "sha256:94af325c9fe354019a29f9016277c547ad5d8a2d98a02806f27a7436b2da6735",
+                "sha256:b1e5445c6075f509d5764b84ce641a1535748801253b97f3b7ea9d948a22853a",
+                "sha256:cb061a959fec9a514d243831c514b51ccb940b58a5ce572a4e209810f2507dcf",
+                "sha256:cc8d0b703d573cbabe0d51c9d68ab68df42a81409e4ed6af45a04a95484b96a5",
+                "sha256:da0afa955865920edb146926455ec49da20965389982f91e926389666f5cf86a",
+                "sha256:dc76738331d61818ce0b90647aedde17bbba3d3f9e969d83c1d9087b4f978862",
+                "sha256:e7ec9a1445d27dbd0446568035f7106fa899a36f55e52ade28020f7b3845180d",
+                "sha256:f741ba03feb480061ab91a465d1a3ed2d40b52822ada5b4017770dfcb88f839f",
+                "sha256:fe800a58547dd424cd286b7270b967b5b3316b993d86453ede184a17b5a6b17d"
             ],
-            "version": "==1.1.0"
+            "version": "==1.1.1"
         },
         "urllib3": {
             "hashes": [