Add support for python3

[Priyansh2]

When try to install to install this with python3-pip or pip3 it gave me following error:- ` Traceback (most recent call last): File "", line 1, in File "/tmp/pip-build-sv4duabq/mutagen/setup.py", line 29 except EnvironmentError, err: ^ SyntaxError: invalid syntax Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-sv4duabq/mutagen/

`

[OberoiSahaj]

I am facing the same issue!

[RenukaL]

I am facing same issue...Please guide me...

[Jainu-s]

I too facing the same issue please fix the bug.

[viswabhaskar]

please fix the problem same issue i am getting

[laerm0]

Bleh, still happening.

[laerm0]

Aha: @SteveClement has upgraded this and mutagenwrapper to Python 3. 🎉 You'll need to install from his latest commits using the python -m pip install git+longURLofthecommithash method but it works fine.

Thanks a lot, Steve!