diff --git a/poetry.lock b/poetry.lock
index d25f2ce..df044dc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -319,7 +319,7 @@ python-versions = "*"
 
 [[package]]
 name = "mypy"
-version = "0.800"
+version = "0.910"
 description = "Optional static typing for Python"
 category = "dev"
 optional = false
@@ -327,11 +327,12 @@ python-versions = ">=3.5"
 
 [package.dependencies]
 mypy-extensions = ">=0.4.3,<0.5.0"
-typed-ast = ">=1.4.0,<1.5.0"
+toml = "*"
 typing-extensions = ">=3.7.4"
 
 [package.extras]
 dmypy = ["psutil (>=4.0)"]
+python2 = ["typed-ast (>=1.4.0,<1.5.0)"]
 
 [[package]]
 name = "mypy-extensions"
@@ -634,24 +635,36 @@ cffi = [
     {file = "cffi-1.14.5-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:48e1c69bbacfc3d932221851b39d49e81567a4d4aac3b21258d9c24578280058"},
     {file = "cffi-1.14.5-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:69e395c24fc60aad6bb4fa7e583698ea6cc684648e1ffb7fe85e3c1ca131a7d5"},
     {file = "cffi-1.14.5-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:9e93e79c2551ff263400e1e4be085a1210e12073a31c2011dbbda14bda0c6132"},
+    {file = "cffi-1.14.5-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:24ec4ff2c5c0c8f9c6b87d5bb53555bf267e1e6f70e52e5a9740d32861d36b6f"},
+    {file = "cffi-1.14.5-cp36-cp36m-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:3c3f39fa737542161d8b0d680df2ec249334cd70a8f420f71c9304bd83c3cbed"},
+    {file = "cffi-1.14.5-cp36-cp36m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:681d07b0d1e3c462dd15585ef5e33cb021321588bebd910124ef4f4fb71aef55"},
     {file = "cffi-1.14.5-cp36-cp36m-win32.whl", hash = "sha256:58e3f59d583d413809d60779492342801d6e82fefb89c86a38e040c16883be53"},
     {file = "cffi-1.14.5-cp36-cp36m-win_amd64.whl", hash = "sha256:005a36f41773e148deac64b08f233873a4d0c18b053d37da83f6af4d9087b813"},
     {file = "cffi-1.14.5-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:2894f2df484ff56d717bead0a5c2abb6b9d2bf26d6960c4604d5c48bbc30ee73"},
     {file = "cffi-1.14.5-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:0857f0ae312d855239a55c81ef453ee8fd24136eaba8e87a2eceba644c0d4c06"},
     {file = "cffi-1.14.5-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:cd2868886d547469123fadc46eac7ea5253ea7fcb139f12e1dfc2bbd406427d1"},
     {file = "cffi-1.14.5-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:35f27e6eb43380fa080dccf676dece30bef72e4a67617ffda586641cd4508d49"},
+    {file = "cffi-1.14.5-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:06d7cd1abac2ffd92e65c0609661866709b4b2d82dd15f611e602b9b188b0b69"},
+    {file = "cffi-1.14.5-cp37-cp37m-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:0f861a89e0043afec2a51fd177a567005847973be86f709bbb044d7f42fc4e05"},
+    {file = "cffi-1.14.5-cp37-cp37m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:cc5a8e069b9ebfa22e26d0e6b97d6f9781302fe7f4f2b8776c3e1daea35f1adc"},
     {file = "cffi-1.14.5-cp37-cp37m-win32.whl", hash = "sha256:9ff227395193126d82e60319a673a037d5de84633f11279e336f9c0f189ecc62"},
     {file = "cffi-1.14.5-cp37-cp37m-win_amd64.whl", hash = "sha256:9cf8022fb8d07a97c178b02327b284521c7708d7c71a9c9c355c178ac4bbd3d4"},
     {file = "cffi-1.14.5-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:8b198cec6c72df5289c05b05b8b0969819783f9418e0409865dac47288d2a053"},
     {file = "cffi-1.14.5-cp38-cp38-manylinux1_i686.whl", hash = "sha256:ad17025d226ee5beec591b52800c11680fca3df50b8b29fe51d882576e039ee0"},
     {file = "cffi-1.14.5-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:6c97d7350133666fbb5cf4abdc1178c812cb205dc6f41d174a7b0f18fb93337e"},
     {file = "cffi-1.14.5-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:8ae6299f6c68de06f136f1f9e69458eae58f1dacf10af5c17353eae03aa0d827"},
+    {file = "cffi-1.14.5-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:04c468b622ed31d408fea2346bec5bbffba2cc44226302a0de1ade9f5ea3d373"},
+    {file = "cffi-1.14.5-cp38-cp38-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:06db6321b7a68b2bd6df96d08a5adadc1fa0e8f419226e25b2a5fbf6ccc7350f"},
+    {file = "cffi-1.14.5-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:293e7ea41280cb28c6fcaaa0b1aa1f533b8ce060b9e701d78511e1e6c4a1de76"},
     {file = "cffi-1.14.5-cp38-cp38-win32.whl", hash = "sha256:b85eb46a81787c50650f2392b9b4ef23e1f126313b9e0e9013b35c15e4288e2e"},
     {file = "cffi-1.14.5-cp38-cp38-win_amd64.whl", hash = "sha256:1f436816fc868b098b0d63b8920de7d208c90a67212546d02f84fe78a9c26396"},
     {file = "cffi-1.14.5-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:1071534bbbf8cbb31b498d5d9db0f274f2f7a865adca4ae429e147ba40f73dea"},
     {file = "cffi-1.14.5-cp39-cp39-manylinux1_i686.whl", hash = "sha256:9de2e279153a443c656f2defd67769e6d1e4163952b3c622dcea5b08a6405322"},
     {file = "cffi-1.14.5-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:6e4714cc64f474e4d6e37cfff31a814b509a35cb17de4fb1999907575684479c"},
     {file = "cffi-1.14.5-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:158d0d15119b4b7ff6b926536763dc0714313aa59e320ddf787502c70c4d4bee"},
+    {file = "cffi-1.14.5-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1bf1ac1984eaa7675ca8d5745a8cb87ef7abecb5592178406e55858d411eadc0"},
+    {file = "cffi-1.14.5-cp39-cp39-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:df5052c5d867c1ea0b311fb7c3cd28b19df469c056f7fdcfe88c7473aa63e333"},
+    {file = "cffi-1.14.5-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:24a570cd11895b60829e941f2613a4f79df1a27344cbbb82164ef2e0116f09c7"},
     {file = "cffi-1.14.5-cp39-cp39-win32.whl", hash = "sha256:afb29c1ba2e5a3736f1c301d9d0abe3ec8b86957d04ddfa9d7a6a42b9367e396"},
     {file = "cffi-1.14.5-cp39-cp39-win_amd64.whl", hash = "sha256:f2d45f97ab6bb54753eab54fffe75aaf3de4ff2341c9daee1987ee1837636f1d"},
     {file = "cffi-1.14.5.tar.gz", hash = "sha256:fd78e5fee591709f32ef6edb9a015b4aa1a5022598e36227500c8f4e02328d9c"},
@@ -800,28 +813,29 @@ mccabe = [
     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 mypy = [
-    {file = "mypy-0.800-cp35-cp35m-macosx_10_9_x86_64.whl", hash = "sha256:e1c84c65ff6d69fb42958ece5b1255394714e0aac4df5ffe151bc4fe19c7600a"},
-    {file = "mypy-0.800-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:947126195bfe4709c360e89b40114c6746ae248f04d379dca6f6ab677aa07641"},
-    {file = "mypy-0.800-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:b95068a3ce3b50332c40e31a955653be245666a4bc7819d3c8898aa9fb9ea496"},
-    {file = "mypy-0.800-cp35-cp35m-win_amd64.whl", hash = "sha256:ca7ad5aed210841f1e77f5f2f7d725b62c78fa77519312042c719ed2ab937876"},
-    {file = "mypy-0.800-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:e32b7b282c4ed4e378bba8b8dfa08e1cfa6f6574067ef22f86bee5b1039de0c9"},
-    {file = "mypy-0.800-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:e497a544391f733eca922fdcb326d19e894789cd4ff61d48b4b195776476c5cf"},
-    {file = "mypy-0.800-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:5615785d3e2f4f03ab7697983d82c4b98af5c321614f51b8f1034eb9ebe48363"},
-    {file = "mypy-0.800-cp36-cp36m-win_amd64.whl", hash = "sha256:2b216eacca0ec0ee124af9429bfd858d5619a0725ee5f88057e6e076f9eb1a7b"},
-    {file = "mypy-0.800-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:e3b8432f8df19e3c11235c4563a7250666dc9aa7cdda58d21b4177b20256ca9f"},
-    {file = "mypy-0.800-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:d16c54b0dffb861dc6318a8730952265876d90c5101085a4bc56913e8521ba19"},
-    {file = "mypy-0.800-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:0d2fc8beb99cd88f2d7e20d69131353053fbecea17904ee6f0348759302c52fa"},
-    {file = "mypy-0.800-cp37-cp37m-win_amd64.whl", hash = "sha256:aa9d4901f3ee1a986a3a79fe079ffbf7f999478c281376f48faa31daaa814e86"},
-    {file = "mypy-0.800-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:319ee5c248a7c3f94477f92a729b7ab06bf8a6d04447ef3aa8c9ba2aa47c6dcf"},
-    {file = "mypy-0.800-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:74f5aa50d0866bc6fb8e213441c41e466c86678c800700b87b012ed11c0a13e0"},
-    {file = "mypy-0.800-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:a301da58d566aca05f8f449403c710c50a9860782148332322decf73a603280b"},
-    {file = "mypy-0.800-cp38-cp38-win_amd64.whl", hash = "sha256:b9150db14a48a8fa114189bfe49baccdff89da8c6639c2717750c7ae62316738"},
-    {file = "mypy-0.800-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:f5fdf935a46aa20aa937f2478480ebf4be9186e98e49cc3843af9a5795a49a25"},
-    {file = "mypy-0.800-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:6f8425fecd2ba6007e526209bb985ce7f49ed0d2ac1cc1a44f243380a06a84fb"},
-    {file = "mypy-0.800-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:5ff616787122774f510caeb7b980542a7cc2222be3f00837a304ea85cd56e488"},
-    {file = "mypy-0.800-cp39-cp39-win_amd64.whl", hash = "sha256:90b6f46dc2181d74f80617deca611925d7e63007cf416397358aa42efb593e07"},
-    {file = "mypy-0.800-py3-none-any.whl", hash = "sha256:3e0c159a7853e3521e3f582adb1f3eac66d0b0639d434278e2867af3a8c62653"},
-    {file = "mypy-0.800.tar.gz", hash = "sha256:e0202e37756ed09daf4b0ba64ad2c245d357659e014c3f51d8cd0681ba66940a"},
+    {file = "mypy-0.910-cp35-cp35m-macosx_10_9_x86_64.whl", hash = "sha256:a155d80ea6cee511a3694b108c4494a39f42de11ee4e61e72bc424c490e46457"},
+    {file = "mypy-0.910-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:b94e4b785e304a04ea0828759172a15add27088520dc7e49ceade7834275bedb"},
+    {file = "mypy-0.910-cp35-cp35m-manylinux2010_x86_64.whl", hash = "sha256:088cd9c7904b4ad80bec811053272986611b84221835e079be5bcad029e79dd9"},
+    {file = "mypy-0.910-cp35-cp35m-win_amd64.whl", hash = "sha256:adaeee09bfde366d2c13fe6093a7df5df83c9a2ba98638c7d76b010694db760e"},
+    {file = "mypy-0.910-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:ecd2c3fe726758037234c93df7e98deb257fd15c24c9180dacf1ef829da5f921"},
+    {file = "mypy-0.910-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:d9dd839eb0dc1bbe866a288ba3c1afc33a202015d2ad83b31e875b5905a079b6"},
+    {file = "mypy-0.910-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:3e382b29f8e0ccf19a2df2b29a167591245df90c0b5a2542249873b5c1d78212"},
+    {file = "mypy-0.910-cp36-cp36m-win_amd64.whl", hash = "sha256:53fd2eb27a8ee2892614370896956af2ff61254c275aaee4c230ae771cadd885"},
+    {file = "mypy-0.910-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:b6fb13123aeef4a3abbcfd7e71773ff3ff1526a7d3dc538f3929a49b42be03f0"},
+    {file = "mypy-0.910-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:e4dab234478e3bd3ce83bac4193b2ecd9cf94e720ddd95ce69840273bf44f6de"},
+    {file = "mypy-0.910-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:7df1ead20c81371ccd6091fa3e2878559b5c4d4caadaf1a484cf88d93ca06703"},
+    {file = "mypy-0.910-cp37-cp37m-win_amd64.whl", hash = "sha256:0aadfb2d3935988ec3815952e44058a3100499f5be5b28c34ac9d79f002a4a9a"},
+    {file = "mypy-0.910-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:ec4e0cd079db280b6bdabdc807047ff3e199f334050db5cbb91ba3e959a67504"},
+    {file = "mypy-0.910-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:119bed3832d961f3a880787bf621634ba042cb8dc850a7429f643508eeac97b9"},
+    {file = "mypy-0.910-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:866c41f28cee548475f146aa4d39a51cf3b6a84246969f3759cb3e9c742fc072"},
+    {file = "mypy-0.910-cp38-cp38-win_amd64.whl", hash = "sha256:ceb6e0a6e27fb364fb3853389607cf7eb3a126ad335790fa1e14ed02fba50811"},
+    {file = "mypy-0.910-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:1a85e280d4d217150ce8cb1a6dddffd14e753a4e0c3cf90baabb32cefa41b59e"},
+    {file = "mypy-0.910-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:42c266ced41b65ed40a282c575705325fa7991af370036d3f134518336636f5b"},
+    {file = "mypy-0.910-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:3c4b8ca36877fc75339253721f69603a9c7fdb5d4d5a95a1a1b899d8b86a4de2"},
+    {file = "mypy-0.910-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:c0df2d30ed496a08de5daed2a9ea807d07c21ae0ab23acf541ab88c24b26ab97"},
+    {file = "mypy-0.910-cp39-cp39-win_amd64.whl", hash = "sha256:c6c2602dffb74867498f86e6129fd52a2770c48b7cd3ece77ada4fa38f94eba8"},
+    {file = "mypy-0.910-py3-none-any.whl", hash = "sha256:ef565033fa5a958e62796867b1df10c40263ea9ded87164d67572834e57a174d"},
+    {file = "mypy-0.910.tar.gz", hash = "sha256:704098302473cb31a218f1775a873b376b30b4c18229421e9e9dc8916fd16150"},
 ]
 mypy-extensions = [
     {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},