fix: pre-compiled header conflicts across different build configurations
Merge branch 'master' of https://github.com/tszirr/assimp
add AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION for not transforming position of vertices
Merge pull request #60 from YoheiKakiuchi/master

IGNORE_UP_DIRECTION for not transforming point of vertices
Fixed a bug returning not all material properties when accessing them.

Also fixed another bug occouring when no normals are provided in sample.py (lists do not have a any() method).
Merge pull request #62 from faulesocke/master

Fixed a bug returning not all material properties when accessing them.
Fixed a bug in the bugfix -.-
Merge branch 'master' of github.com:assimp/assimp
Merge pull request #63 from faulesocke/master
Now actually fixed the bug with the normals.

pyassimp returned a list instead of a numpy array when the normals were
empty. This also applies to texture coordinates and other stuff which is
explicitly converted in _finalize_mesh.
add binary exporter to STLExporter
Merge pull request #64 from faulesocke/master

Now actually fixed the bug with the normals.
Update Readme with info on my C4D branch.
Added AI_WONT_RETURN_SUFFIX mainly for Clang's static analyzer.
Added AI_WONT_RETURN_SUFFIX to ReportError().
Added AI_WONT_RETURN and AI_WONT_RETURN_SUFFIX to DOMError.
Merge pull request #66 from sherief/Robustness

Hints for Clang's static analyzer - preventing false positives.
Initialized stride variable to prevent compiler warnings about potential use of unassigned variable.
Merge pull request #69 from sherief/master

Fix for potential use of unassigned variable compiler warning.
add missing include to fast_atof.h