diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 829ee4d..2c73c88 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -21,4 +21,4 @@ jobs:
       - name: publish to pypi
         env:
           POETRY_PYPI_TOKEN_PYPI: ${{ secrets.PYPI_TOKEN }}
-        run: poetry publish --build
\ No newline at end of file
+        run: poetry publish --build
diff --git a/docs/index.html b/docs/index.html
index 3f99c62..517a9f8 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -115,4 +115,4 @@ <h5>Available Modules</h5>
         searchbox.focus()
     </script>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/docs/snap_html.html b/docs/snap_html.html
index 04eff54..377d9f7 100644
--- a/docs/snap_html.html
+++ b/docs/snap_html.html
@@ -538,4 +538,4 @@ <h5>Inherited Members</h5>
                 </section>
     </main>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/docs/snap_html/__main__.html b/docs/snap_html/__main__.html
index a71669a..40c3cd5 100644
--- a/docs/snap_html/__main__.html
+++ b/docs/snap_html/__main__.html
@@ -357,4 +357,4 @@ <h5>Inherited Members</h5>
                 </section>
     </main>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/docs/snap_html/example.html b/docs/snap_html/example.html
index 99cc36c..3f3ba53 100644
--- a/docs/snap_html/example.html
+++ b/docs/snap_html/example.html
@@ -117,4 +117,4 @@ <h1 class="modulename">
                 </section>
     </main>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/poetry.lock b/poetry.lock
index de38145..84de3bf 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -177,26 +177,27 @@ orderedmultidict = ">=1.0.1"
 six = ">=1.8.0"
 
 [[package]]
-name = "gitdb2"
-version = "3.0.3.post1"
+name = "gitdb"
+version = "4.0.7"
 description = "Git Object Database"
 category = "dev"
 optional = false
 python-versions = ">=3.4"
 
 [package.dependencies]
-smmap2 = ">=2,<3"
+smmap = ">=3.0.1,<5"
 
 [[package]]
 name = "gitpython"
-version = "3.0.9"
+version = "3.1.15"
 description = "Python Git Library"
 category = "dev"
 optional = false
-python-versions = ">=3.4"
+python-versions = ">=3.5"
 
 [package.dependencies]
-gitdb2 = ">=3,<4"
+gitdb = ">=4.0.1,<5"
+typing-extensions = ">=3.7.4.0"
 
 [[package]]
 name = "greenlet"
@@ -220,14 +221,6 @@ python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
 [package.extras]
 license = ["editdistance"]
 
-[[package]]
-name = "idna"
-version = "3.1"
-description = "Internationalized Domain Names in Applications (IDNA)"
-category = "dev"
-optional = false
-python-versions = ">=3.4"
-
 [[package]]
 name = "iniconfig"
 version = "1.1.1"
@@ -596,14 +589,6 @@ category = "dev"
 optional = false
 python-versions = ">=3.5"
 
-[[package]]
-name = "smmap2"
-version = "2.0.5"
-description = "A pure Python implementation of a sliding window memory map manager"
-category = "dev"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-
 [[package]]
 name = "snowballstemmer"
 version = "2.1.0"
@@ -769,13 +754,13 @@ furl = [
     {file = "furl-2.1.0-py2.py3-none-any.whl", hash = "sha256:f4d6f1e5479c376a5b7bdc62795d736d8c1b2a754f366a2ad2816e46e946e22e"},
     {file = "furl-2.1.0.tar.gz", hash = "sha256:c0e0231a1feee2acd256574b7033df3144775451c610cb587060d6a0d7e0b621"},
 ]
-gitdb2 = [
-    {file = "gitdb2-3.0.3.post1-py2.py3-none-any.whl", hash = "sha256:f4c17cc3389772557b624e0208ed7cb854c6d7e95962da81e3a3ccd32f7c4b2e"},
-    {file = "gitdb2-3.0.3.post1.tar.gz", hash = "sha256:d6983efcd8284c7ccd4c5851aac5b78a1b63f7f53918a1b386957f4a68c8fad3"},
+gitdb = [
+    {file = "gitdb-4.0.7-py3-none-any.whl", hash = "sha256:6c4cc71933456991da20917998acbe6cf4fb41eeaab7d6d67fbc05ecd4c865b0"},
+    {file = "gitdb-4.0.7.tar.gz", hash = "sha256:96bf5c08b157a666fec41129e6d327235284cca4c81e92109260f353ba138005"},
 ]
 gitpython = [
-    {file = "GitPython-3.0.9-py3-none-any.whl", hash = "sha256:ecf785b0b23bb6d28f5fff3d67cc4a07cb607e94476495d2a943d2e57d9fd473"},
-    {file = "GitPython-3.0.9.tar.gz", hash = "sha256:7e5df21bfef38505115ad92544fb379e6fedb2753f3b709174c4358cecd0cb97"},
+    {file = "GitPython-3.1.15-py3-none-any.whl", hash = "sha256:a77824e516d3298b04fb36ec7845e92747df8fcfee9cacc32dd6239f9652f867"},
+    {file = "GitPython-3.1.15.tar.gz", hash = "sha256:05af150f47a5cca3f4b0af289b73aef8cf3c4fe2385015b06220cbcdee48bb6e"},
 ]
 greenlet = [
     {file = "greenlet-1.0a1-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:feaa41c4fc47da4814b4cec8174da31b65490fcd710c28d495b96dbc63586b81"},
@@ -821,10 +806,6 @@ identify = [
     {file = "identify-1.5.13-py2.py3-none-any.whl", hash = "sha256:9dfb63a2e871b807e3ba62f029813552a24b5289504f5b071dea9b041aee9fe4"},
     {file = "identify-1.5.13.tar.gz", hash = "sha256:70b638cf4743f33042bebb3b51e25261a0a10e80f978739f17e7fd4837664a66"},
 ]
-idna = [
-    {file = "idna-3.1-py3-none-any.whl", hash = "sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16"},
-    {file = "idna-3.1.tar.gz", hash = "sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1"},
-]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
     {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
@@ -1026,18 +1007,26 @@ pyyaml = [
     {file = "PyYAML-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:bb4191dfc9306777bc594117aee052446b3fa88737cd13b7188d0e7aa8162185"},
     {file = "PyYAML-5.4.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:6c78645d400265a062508ae399b60b8c167bf003db364ecb26dcab2bda048253"},
     {file = "PyYAML-5.4.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:4e0583d24c881e14342eaf4ec5fbc97f934b999a6828693a99157fde912540cc"},
+    {file = "PyYAML-5.4.1-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:72a01f726a9c7851ca9bfad6fd09ca4e090a023c00945ea05ba1638c09dc3347"},
+    {file = "PyYAML-5.4.1-cp36-cp36m-manylinux2014_s390x.whl", hash = "sha256:895f61ef02e8fed38159bb70f7e100e00f471eae2bc838cd0f4ebb21e28f8541"},
     {file = "PyYAML-5.4.1-cp36-cp36m-win32.whl", hash = "sha256:3bd0e463264cf257d1ffd2e40223b197271046d09dadf73a0fe82b9c1fc385a5"},
     {file = "PyYAML-5.4.1-cp36-cp36m-win_amd64.whl", hash = "sha256:e4fac90784481d221a8e4b1162afa7c47ed953be40d31ab4629ae917510051df"},
     {file = "PyYAML-5.4.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:5accb17103e43963b80e6f837831f38d314a0495500067cb25afab2e8d7a4018"},
     {file = "PyYAML-5.4.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:e1d4970ea66be07ae37a3c2e48b5ec63f7ba6804bdddfdbd3cfd954d25a82e63"},
+    {file = "PyYAML-5.4.1-cp37-cp37m-manylinux2014_aarch64.whl", hash = "sha256:cb333c16912324fd5f769fff6bc5de372e9e7a202247b48870bc251ed40239aa"},
+    {file = "PyYAML-5.4.1-cp37-cp37m-manylinux2014_s390x.whl", hash = "sha256:fe69978f3f768926cfa37b867e3843918e012cf83f680806599ddce33c2c68b0"},
     {file = "PyYAML-5.4.1-cp37-cp37m-win32.whl", hash = "sha256:dd5de0646207f053eb0d6c74ae45ba98c3395a571a2891858e87df7c9b9bd51b"},
     {file = "PyYAML-5.4.1-cp37-cp37m-win_amd64.whl", hash = "sha256:08682f6b72c722394747bddaf0aa62277e02557c0fd1c42cb853016a38f8dedf"},
     {file = "PyYAML-5.4.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:d2d9808ea7b4af864f35ea216be506ecec180628aced0704e34aca0b040ffe46"},
     {file = "PyYAML-5.4.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:8c1be557ee92a20f184922c7b6424e8ab6691788e6d86137c5d93c1a6ec1b8fb"},
+    {file = "PyYAML-5.4.1-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:fd7f6999a8070df521b6384004ef42833b9bd62cfee11a09bda1079b4b704247"},
+    {file = "PyYAML-5.4.1-cp38-cp38-manylinux2014_s390x.whl", hash = "sha256:bfb51918d4ff3d77c1c856a9699f8492c612cde32fd3bcd344af9be34999bfdc"},
     {file = "PyYAML-5.4.1-cp38-cp38-win32.whl", hash = "sha256:fa5ae20527d8e831e8230cbffd9f8fe952815b2b7dae6ffec25318803a7528fc"},
     {file = "PyYAML-5.4.1-cp38-cp38-win_amd64.whl", hash = "sha256:0f5f5786c0e09baddcd8b4b45f20a7b5d61a7e7e99846e3c799b05c7c53fa696"},
     {file = "PyYAML-5.4.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:294db365efa064d00b8d1ef65d8ea2c3426ac366c0c4368d930bf1c5fb497f77"},
     {file = "PyYAML-5.4.1-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:74c1485f7707cf707a7aef42ef6322b8f97921bd89be2ab6317fd782c2d53183"},
+    {file = "PyYAML-5.4.1-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:d483ad4e639292c90170eb6f7783ad19490e7a8defb3e46f97dfe4bacae89122"},
+    {file = "PyYAML-5.4.1-cp39-cp39-manylinux2014_s390x.whl", hash = "sha256:fdc842473cd33f45ff6bce46aea678a54e3d21f1b61a7750ce3c498eedfe25d6"},
     {file = "PyYAML-5.4.1-cp39-cp39-win32.whl", hash = "sha256:49d4cdd9065b9b6e206d0595fee27a96b5dd22618e7520c33204a4a3239d5b10"},
     {file = "PyYAML-5.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:c20cfa2d49991c8b4147af39859b167664f2ad4561704ee74c1de03318e898db"},
     {file = "PyYAML-5.4.1.tar.gz", hash = "sha256:607774cbba28732bfa802b54baa7484215f530991055bb562efbed5b2f20a45e"},
@@ -1109,10 +1098,6 @@ smmap = [
     {file = "smmap-4.0.0-py2.py3-none-any.whl", hash = "sha256:a9a7479e4c572e2e775c404dcd3080c8dc49f39918c2cf74913d30c4c478e3c2"},
     {file = "smmap-4.0.0.tar.gz", hash = "sha256:7e65386bd122d45405ddf795637b7f7d2b532e7e401d46bbe3fb49b9986d5182"},
 ]
-smmap2 = [
-    {file = "smmap2-2.0.5-py2.py3-none-any.whl", hash = "sha256:0555a7bf4df71d1ef4218e4807bbf9b201f910174e6e08af2e138d4e517b4dde"},
-    {file = "smmap2-2.0.5.tar.gz", hash = "sha256:29a9ffa0497e7f2be94ca0ed1ca1aa3cd4cf25a1f6b4f5f87f74b46ed91d609a"},
-]
 snowballstemmer = [
     {file = "snowballstemmer-2.1.0-py2.py3-none-any.whl", hash = "sha256:b51b447bea85f9968c13b650126a888aabd4cb4463fca868ec596826325dedc2"},
     {file = "snowballstemmer-2.1.0.tar.gz", hash = "sha256:e997baa4f2e9139951b6f4c631bad912dfd3c792467e2f03d7239464af90e914"},