version 0.9.3
Support bitmap font drawing with sge
Support bdf font drawing with SDL_kanji
Add following methods
  SDL::TTF#height
  SDL::TTF#ascent
  SDL::TTF#descent
  SDL::TTF#lineSkip
  SDL::Surface#copyRect
Fix some warnings
Fix a critical bug in SDLSKK module
Setup OpenGL by default

version 0.9.2
Primitive draw with anti-alias and alpha blending is now available.
Modify SDL.transformBlit for alpha blending.

version 0.9.1
Fix two critical bugs in event module.

version 0.9

Support SDLSKK 0.4, and stop supporting 0.3.
Add collision detection function. ( thanks to Wayne Conrad )
Improve MPEG playback function. Enable to load multiple mpeg files.
Add sample. ( thanks to Simon Strandgaard )

version 0.8.3

Add following methods because of typo. ( thanks to Wayne Conrad )
  SDL::Surface#drawEllipse
  SDL::Surface#drawFilledEllipse
Fix following method. ( thanks to moumar )
  SDL.videoInfo

version 0.8.2

Support SDLSKK 0.3, and stop supporting 0.2.
Bug fix about Joystick subsystem.
Add following methods.
  SDL::Screen#toggleFullScreen
  SDL::Key.getKeyName
Add aliases into documents.

version 0.8.1

bug fix

version 0.8

Support SDLSKK.
Change SDL's finalizer (Thanks to Tamura).
Change some methods' name.
  SDL::CD.name -> SDL::CD.indexName
  SDL::Joystick.name -> SDL::Joystick.indexName
Add Ruby like ( uncapitalized and separated by underbars ) aliases.
Add following methods.
  SDL::Mixer.allocateChannels
  SDL::TTF#renderSolidUTF8
  SDL::TTF#renderBlendedUTF8
  SDL::TTF#renderShadedUTF8
  SDL::TTF#faces
  SDL::TTF#fixedWidth?
  SDL::TTF#familyName
  SDL::TTF#styleName
  SDL.videoDriverName
  SDL.getGammaRamp
  SDL.setGammaRamp
  SDL::Surface#saveBMP
  SDL::Surface#displayFormatAlpha
  SDL::Surface#getClipRect
  SDL.autoLock?
  SDL.autoLockON
  SDL.autoLockOFF
Extend following method.
  SDL.blitSurace2