calpath/model-elements — pull request #4 by andrewbts (2012-11-14 22:57:00+00:00)
Title: New CTM Type enum as discussion

Couple of things to note:
* Assumed values for string-typed "CTMType". "Density", etc.
* I decided to try overriding certain model_elements things that return model_elements_base stuff to throw exceptions--- we don't want people using these methods.