Trying to restore repo. I seem to have F'd it up when changing the repo name.
Added more stuff to .gitignore.
Added some methods in RotationMatrix and starting writing tests.
Removed some .class files from bin and added that stuff to the .gitignore.
Fixed .gitignore file.
Readding the bin directory.
Trying to get bin to show back up on github.
Testing normalize method for RotationMatrix. Also had to add length() method to Vector3d and added a test for it.