Consolidate darwin/win32 library loading. Tested on OSX.
Merge branch 'master' of https://github.com/FlaPer87/python-magic int…
reorder Mime args to preserve compatability
avoid abort if you somehow double free
remove unnessary handler in _del_
- Grab fix for OSX from bitbucket.org/pfw/
- Produce a more sensible error message when no library is found