Fix: segmentation fault in glutKeyboardUpFunc callback
Merge pull request #1 from 4r2r/master

Fix: segmentation fault in glutKeyboardUpFunc callback
Merge branch 'master' of https://github.com/larskanis/glut
Bump VERSION to 8.2.1
Require rake-compiler dep to 0.9 for win32 build.
Update History.rdoc for new release