Minor updates in Tuple2d/Vector2d
Added Tuple3d and Vector3d
Cleaned Tuple2d tests
Added tests for Tuple3d and Vector3d
Merge pull request #10 from msteiger/vector3d

Added Tuple3d, Vector3d and ImmutableVector3d
Merge branch 'master' of git@github.com:MovingBlocks/TeraMath.git
Converted ImmutableVector and Vector types to templates.