0.7.6.5:
- export LoadedObjModel data constructor

0.7.6.4:
- use matrix multiplication for DCM/quat rotations

0.7.6.3:
- support OpenGL 3

0.7.5.0:
- add z translation with middle mouse button

0.7.3.0:
- add object models

0.7.2.0:
- add option to set initial camera position

0.7.1.0:
- add an interface which makes a movie

0.7.0.0:
- pass in user options with Options type
- add an optional background color argument

0.6.0.0:
- use spatial-math 0.2, which uses types from `linear` package

0.5.0.5:
- GLUT/OpenGLRaw version bumps
