Add some bindings for constants, types and functions.
added more authorship
Merge branch 'development'
Add a Bitdeli badge to README
Merge pull request #2 from bitdeli-chef/master

Add a Bitdeli Badge to README
fixed humongous bug caused by 'wrong' order of FFI declarations
Added SDL_RWsize binding
Merge pull request #3 from fjvallarino/master

Added SDL_RWsize binding
Uncommented the rest of SDL modules. Added Mix_CloseAudio to sdl2-mixer.scm
Merge pull request #4 from fjvallarino/master

Re-enabled SDL2 addons and added a binding to sdl2-mixer
Update README.md
Update README.md
updated for SCSC; OSX compilation
added tests for proper loading