diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 45bf609..aa71426 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -22,6 +22,7 @@ jobs:
       run: |
         pip install pipenv
         pipenv install --dev
+        pipenv install twine
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
diff --git a/Pipfile b/Pipfile
index 3af05ec..1c9837e 100644
--- a/Pipfile
+++ b/Pipfile
@@ -11,7 +11,6 @@ black = "*"
 pytest = "*"
 pylint = "*"
 pep517 = "*"
-twine = "*"
 
 [pipenv]
 allow_prereleases = true
diff --git a/Pipfile.lock b/Pipfile.lock
index 8a3fa0e..cc6125a 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "858cd20aadcb0cb8cbdc73e9f552a90b1ae3f994682b4459bc65d4961941a84e"
+            "sha256": "eb821c5630ce17ae59d3f4c53aa56ed7c5f9f7906c7f9436a49b0d62c67bf93b"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -54,28 +54,6 @@
             "index": "pypi",
             "version": "==20.8b1"
         },
-        "bleach": {
-            "hashes": [
-                "sha256:52b5919b81842b1854196eaae5ca29679a2f2e378905c346d3ca8227c2c66080",
-                "sha256:9f8ccbeb6183c6e6cddea37592dfb0167485c1e3b13b3363bc325aa8bda3adbd"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==3.2.1"
-        },
-        "certifi": {
-            "hashes": [
-                "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3",
-                "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"
-            ],
-            "version": "==2020.6.20"
-        },
-        "chardet": {
-            "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
-            ],
-            "version": "==3.0.4"
-        },
         "click": {
             "hashes": [
                 "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
@@ -84,30 +62,6 @@
             "index": "pypi",
             "version": "==7.1.2"
         },
-        "colorama": {
-            "hashes": [
-                "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff",
-                "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==0.4.3"
-        },
-        "docutils": {
-            "hashes": [
-                "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af",
-                "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==0.16"
-        },
-        "idna": {
-            "hashes": [
-                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
-                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.10"
-        },
         "iniconfig": {
             "hashes": [
                 "sha256:80cf40c597eb564e86346103f609d74efce0f6b4d4f30ec8ce9e2c26411ba437",
@@ -123,14 +77,6 @@
             "markers": "python_version >= '3.6' and python_version < '4.0'",
             "version": "==5.6.2"
         },
-        "keyring": {
-            "hashes": [
-                "sha256:4e34ea2fdec90c1c43d6610b5a5fafa1b9097db1802948e90caf5763974b8f8d",
-                "sha256:9aeadd006a852b78f4b4ef7c7556c2774d2432bbef8ee538a3e9089ac8b11466"
-            ],
-            "markers": "python_version >= '3.6'",
-            "version": "==21.4.0"
-        },
         "lazy-object-proxy": {
             "hashes": [
                 "sha256:0c4b206227a8097f05c4dbdd323c50edf81f15db3b8dc064d08c62d37e1a504d",
@@ -195,13 +141,6 @@
             "index": "pypi",
             "version": "==0.8.2"
         },
-        "pkginfo": {
-            "hashes": [
-                "sha256:7424f2c8511c186cd5424bbf31045b77435b37a8d604990b79d4e70d741148bb",
-                "sha256:a6d9e40ca61ad3ebd0b72fbadd4fba16e4c0e4df0428c041e01e06eb6ee71f32"
-            ],
-            "version": "==1.5.0.1"
-        },
         "pluggy": {
             "hashes": [
                 "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
@@ -218,14 +157,6 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.9.0"
         },
-        "pygments": {
-            "hashes": [
-                "sha256:307543fe65c0947b126e83dd5a61bd8acbd84abec11f43caebaf5534cbc17998",
-                "sha256:926c3f319eda178d1bd90851e4317e6d8cdb5e292a3386aac9bd75eca29cf9c7"
-            ],
-            "markers": "python_version >= '3.5'",
-            "version": "==2.7.1"
-        },
         "pylint": {
             "hashes": [
                 "sha256:bb4a908c9dadbc3aac18860550e870f58e1a02c9f2c204fdf5693d73be061210",
@@ -250,13 +181,6 @@
             "index": "pypi",
             "version": "==6.1.1"
         },
-        "readme-renderer": {
-            "hashes": [
-                "sha256:3176d93d2c21960fb7f7458073b9f1e5dd14a5af0ec6af4afb957337dbb6a326",
-                "sha256:e6871b10341cdd85ade112fb8503b31301d1ca12c0c3b3e1358855329519968b"
-            ],
-            "version": "==27.0"
-        },
         "regex": {
             "hashes": [
                 "sha256:1a16afbfadaadc1397353f9b32e19a65dc1d1804c80ad73a14f435348ca017ad",
@@ -289,28 +213,6 @@
             ],
             "version": "==2020.10.11"
         },
-        "requests": {
-            "hashes": [
-                "sha256:b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b",
-                "sha256:fe75cc94a9443b9246fc7049224f75604b113c36acb93f87b80ed42c44cbb898"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==2.24.0"
-        },
-        "requests-toolbelt": {
-            "hashes": [
-                "sha256:380606e1d10dc85c3bd47bf5a6095f815ec007be7a8b69c878507068df059e6f",
-                "sha256:968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0"
-            ],
-            "version": "==0.9.1"
-        },
-        "rfc3986": {
-            "hashes": [
-                "sha256:112398da31a3344dc25dbf477d8df6cb34f9278a94fee2625d89e4514be8bb9d",
-                "sha256:af9147e9aceda37c91a05f4deb128d4b4b49d6b199775fd2d2927768abdc8f50"
-            ],
-            "version": "==1.4.0"
-        },
         "six": {
             "hashes": [
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
@@ -326,22 +228,6 @@
             ],
             "version": "==0.10.1"
         },
-        "tqdm": {
-            "hashes": [
-                "sha256:43ca183da3367578ebf2f1c2e3111d51ea161ed1dc4e6345b86e27c2a93beff7",
-                "sha256:69dfa6714dee976e2425a9aab84b622675b7b1742873041e3db8a8e86132a4af"
-            ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==4.50.2"
-        },
-        "twine": {
-            "hashes": [
-                "sha256:34352fd52ec3b9d29837e6072d5a2a7c6fe4290e97bba46bb8d478b5c598f7ab",
-                "sha256:ba9ff477b8d6de0c89dd450e70b2185da190514e91c42cc62f96850025c10472"
-            ],
-            "index": "pypi",
-            "version": "==3.2.0"
-        },
         "typed-ast": {
             "hashes": [
                 "sha256:0666aa36131496aed8f7be0410ff974562ab7eeac11ef351def9ea6fa28f6355",
@@ -376,21 +262,6 @@
             ],
             "version": "==3.7.4.3"
         },
-        "urllib3": {
-            "hashes": [
-                "sha256:91056c15fa70756691db97756772bb1eb9678fa585d9184f24534b100dc60f4a",
-                "sha256:e7983572181f5e1522d9c98453462384ee92a0be7fac5f1413a1e35c56cc0461"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.25.10"
-        },
-        "webencodings": {
-            "hashes": [
-                "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78",
-                "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"
-            ],
-            "version": "==0.5.1"
-        },
         "wrapt": {
             "hashes": [
                 "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"