Add python client library and example pattern.  Update README
PEP 8 and bugfix when calculating length of pixel array
Add more helper functions to opc_client.py
Add *.pyc to .gitignore
Add python_clients/spatil_stripes.py
Merge branch 'python_client' of https://github.com/longears/openpixelcontrol into longears-python_client

Conflicts:
	README.md