refactor setup.py:

* use entry_points
* build universal wheels
* use setuptools_scm for version tracking
* eliminate readme duplication by dropping README.md
* use manifest.in
* add .gitignore

Author: mindw

.gitignore

@@ -0,0 +1,65 @@
+# Created by https://www.gitignore.io
+
+### Python ###
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+
+dill/LICENSE
+dill/README.rst
+dill/_version.py

MANIFEST

@@ -0,0 +1,3 @@
+include DEV_NOTES
+include README.rst
+include LICENSE