Miscellaneous repo cleanup (#320)

* docs/index: update various URLs

* Makefile: `pip3` -> `pip`

* Makefile: remove unused vars

* bumpversion: remove unused config

Author: woodruffw

.bumpversion.cfg

@@ -5,16 +5,12 @@
 VENV=.venv
 VENV_CMD=python3 -m venv
 ACTIVATE = $(VENV)/bin/activate
-CHEESE=https://pypi.python.org/pypi
-BUMPTYPE=patch
-BUMPPRE=0
 
-
-$(VENV)/bin/pip3:
+$(VENV)/bin/pip:
 	$(VENV_CMD) $(VENV)
 
-bootstrap: $(VENV)/bin/pip3
-	$(VENV)/bin/pip3 install -e .[dev]
+bootstrap: $(VENV)/bin/pip
+	$(VENV)/bin/pip install -e .[dev]
 
 format:
 	$(VENV)/bin/black .

Makefile

@@ -73,10 +73,9 @@ If you give it a try, please let me know of any issues.
 
 
 .. _httplib2: https://github.com/httplib2/httplib2
-.. _requests: http://docs.python-requests.org/
-.. _Editing the Web: http://www.w3.org/1999/04/Editing/
-.. _PyPI: https://pypi.python.org/pypi/CacheControl/
-.. _pip: http://www.pip-installer.org/
+.. _requests: https://requests.readthedocs.io/en/latest/
+.. _PyPI: https://pypi.org/project/CacheControl/
+.. _pip: https://pip.pypa.io/en/stable/
 
 
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