1.1
* Support libpng as an alternative to DevIL
* Mouse wheel support on Win32
* Bugfixes
  - Plug some memory leaks
  - More fullscreen mode fixes

1.0
* Use pimpl to avoid exposing platform-specific details
* Normalize device axis ranges to [-1, 1]
* Improvements to dead zone and threshold
* Bugfixes
  - Fullscreen mode hopefully works better now

0.9
* First release

($Id$)