extract unwieldy strings
remove spurious print
make code a bit more pythonic
move definitions to the end of soco.py
set __all__ in soco.py

"hides" all other module contents (especially all definitions) when importing *
from soco
Merge branch 'upstream'

Conflicts:
	soco.py
extract new strings
merge #SetAVTransportURI actions
fix wrong variable reference
fix play method
Merge pull request #10 from stefankoegl/cleanup

Code Cleanup