Split vpltk.datamodel into vpltk.data and vpltk.model
revert gitignore changes
service get_class now support builtin types (int, float) and builtin type names ('int', 'float', ...)
Add docstring to "interfaces" function
Merge pull request #57 from gbaty/improve_get_interface_class

service get_class now support builtin types (int, float) and builtin typ...
Merge pull request #54 from jucoste/split_data_model

Split datamodel into data and model