* 1. Resize 4x4, code was ridiculously complex (cleanup only) * 2. matrix * matrix checking for compatibility wasn't working right (bug in last release) * 3. fix for result size for matrix * vector if matrix is 4x4 and vector size 3 (bug in recent patch) * 4. fix for result size vector * matrix if matrix is 4x4 and vector size 3 (bug in recent patch)