Fix __eq__ for param_dict and type_param_dict
Fix __eq__ for param_dict and type_param_dict

Due to nested structure NumPy array's within a type param if each value
is a dict with a nested NumPy array.

joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue