MATH: Rename getVector3d and add comments for the Vector3d class.
MATH: Add comments and rename getQuaternion.
MYST3: Add transition support
MATH: Add new quaternion capability.
MATH: Replace Euler Angle Implementation in Quaternions with Rotation3D based method.
Merge pull request #943 from JoseJX/FixQuaternions

MATH: Remove redundant Euler conversion.