Update README with wheel and sdist commands (#1)

Author: Will Myers

README.md

@@ -121,6 +121,8 @@ print(response)
 ## Contributing
 
 * Building the egg: `python setup.py bdist_egg`
+* Building the wheel: `python setup.py bdist_wheel --universal`
+* Building the sdist: `python setup.py sdist`
 * Installing locally: `python setup.py install`
 * Running tests: `python setup.py test`
 * Running lint: `flake8`

README.rst

@@ -144,6 +144,8 @@ Contributing
 ------------
 
 -  Building the egg: ``python setup.py bdist_egg``
+-  Building the wheel: ``python setup.py bdist_wheel --universal``
+-  Building the sdist: ``python setup.py sdist``
 -  Installing locally: ``python setup.py install``
 -  Running tests: ``python setup.py test``
 -  Running lint: ``flake8``