Pywavefront

* Make Pyglet an optional dependency - PR 30
* Close file descriptor when no longer needed - PR 29
* Specify the full path for the test files. Remove Pyglet dependency on unit tests - PR 28
* Use the correct accented "e" character- PR 27
* Add basic circleci configuration

* Handle any unimplemented flag and carry on with a warning - PR 21
* Add support to object-less obj file - PR 23

* Import .obj without material file - PR 16

* Support transparency - PR 15

* Include MANIFEST file - PR 12

* Replace Pyglet resource with native open() - PR 7
* Remove UTF-8 encoding/decoding - PR 9
* Fix issues with parsing resource files - PR 9