added the ability to load from file objects with pyassimp.load, as opposed to only being able to load from paths
cleaned up error message autoreplacement
fixed docstrings
Merge pull request #359 from mikedh/master

Added load from file object functionality to pyassimp.load
Collada: use a counter instead of clock() to generate unique names. Closes #357
LWO: replace legacy reinterpret_cast based code by memcpy to solve Android SIGBUS problems due to unaligned accesses. Fixes #351
Regression test suite: look for assimp_cmd binary in current folder first.
Merge remote-tracking branch 'upstream/master' into trunk