code cleanup

Conflicts:
	PyDC/PyDC/CassetteObjects.py
	PyDC/PyDC/__init__.py
	PyDC/PyDC/base_cli.py
	PyDC/PyDC/bitstream_handler.py
	PyDC/PyDC/wave2bitstream.py
implement bas2wave ;) But seems the stream is not valid, yet :(

Conflicts:
	PyDC/PyDC/CassetteObjects.py
	PyDC/PyDC/__init__.py
	PyDC/PyDC/base_cli.py
	PyDC/PyDC/bitstream_handler.py
	PyDC/PyDC/configs.py
	PyDC/PyDC/wave2bitstream.py