update to 0.7
fix: updated to 0.7
fix: naming
removed file - too many changes required for 0.7, semi b0rked anyway
Fixed a Matrix3f.invert() bug
*** empty log message ***
Matrix2f.invert() returns null on failure
Matrix3f.invert() returns null on failure
Matrix4f.invert() returns null on failure
Optimized Matrix4f.invert()