Added setters and getters for various properties, added scalling/units to tetrahedral mesh, and moved
implementation of some methods to the src file.
Rearanged definitions in the header.
Removed methods for getting specific properties from the tetgen objects. Now use the GetTetgenInput/Output methods to access these values directly.
Marked some of the more complex constructors as being depricated in a future version.
Changed the variable 'units', to the more descriptive term, 'scale'.
Removed the OpenGL includes, as they are now not required.
Moved the UIcommand include to the heade file.
Setting the world in the example to be invisable, and added a color to one of the loaded meshes.
Setting example to view from a different angle, not rendering as solid.