Fixed __init__.py file so that imports work correctly.
Added import for CobbDouglasModel.
Bug fix in find_steady_state method.
Removed extra blank row.
Added section on graphical analysis of the Solow model.
Cleaned out some trash and reorg.
Added method for constructing symbolic equation of motion for capital (per unit effective labor).
Remember to clear cache when setting output.
Added a private property storing an ImmutableMatrix defining the ODEs.
Improved docstrings.
Added a method for computing the Symbolic Jacobian.