switch sendtrack example to use id3-py for ID3 tags (python-id3 in Debian)

patch taken from pymtp Debian package
remove 'parent' option from functions, it was removed in libmtp > 0.3.7

No use in having an optional arg in the functions if libmtp does not use it

patch taken from the pymtp Debian package
setup.py needs python3 in order to run the whole pypi upload properly
set version to 0.0.6