Added getOffset function and make provision for 4x4 transformations
Made provision for 4d transformations and added isCalibrated check before processing bins.
Added more exception handling to ModelCenterCalculator
Implemented additional exception handling and created new Exceptions.
Added toString function and pad function
Created 4D rotation class and updated 3d version to be more compatible.
Added code for propegating updates and removes to the model correctly
Added padMatrix function and some more exception handling.
Fixed problem with angles in Linear Solver
Made provision for 4x4 transformations.
Registered change listener with lobby.