NEW: sprite support module (WIP)
FIX: wrong up-vector orientation for nodes that are set to face a camera.
switched version to 4.2.2
updated doxygen
updated sprite module to use pixel sizes
NEW: SoundEnvironment cache overwrite added to PythonAPI.
Merge branch 'master' of https://github.com/febret/omegalib
NEW: Widget navigation control in python API (Issue #63)
FIX: Menu camera-based positioning
UPDATE: doxyfile
FIX: sprite demo
FIX: rift support
FIX: :? . would print unwanted quick command help
version is now 4.2.3
Update README.md
fixed a typo
FIX: finite ray casting for osg objects
Merge branch 'master' of https://github.com/febret/omegalib
FIX: added missing `setNearFarZ`, `getNearZ`, `getFarZ` methods to camera python API
Merge branch 'master' of https://github.com/febret/omegalib