4.2.0

Like the new logo announced it, GRRLIB is now 3D too !!!!!
We have done our best this time again to provide real enhancement, easy and simple new functions,
lot of new samples have been added to help you starting with GRRLIB. There is also a support forum at
http://grrlib.santo.fr
In this release we also provide all sample .dol to permit everyone to test them without compiling them.

ChangeLog :

* GRRLIB_CompoStart and GRRLIB_CompoEnd for real GX compositing with transparency support
* GRRLIB_Screen2Texture is now fully optimized
* First support to 3D functions
* USB_Gecko output facilities
* GRRLIB_Compose was deleted since it was not fully using GX
* GRRLIB_GetColor was deleted, the RGBA macro should be used instead
* Lot of new sample code :
** 3D_CubedTileDemo (How to use dynamic texturing)
** 3D_sample1 (A simple rotating flat cube)
** 3D_sample2 (A simple rotating textured cube)
** 3D_sample3 (A textured cube and compositing)
** 3D_sample4 (A complex object rotating)
** basic_drawing (How to use some basic GRRLIB functions)
** bitmap_fx (Effects ShowRoom)
** blending (How to use blending mode)
** compositing (A simple compositing how to)
** funsin (A gradient sinusoid dancing)
** particle (A nice particle sample code)
** template (Use this as a basis for your project)
** TileDemo (This will show you how to use tiles/tileset and map)
** unlimited2d (A faky technic for unlimited sprites)
** unlimited3d (Same as above but with 3D)