[galaxy-dev] What is the suggested way of adding ones own eggs/modules?

Hi, I have successfully added my own datatype but the code for it has dependencies for additional Python modules. For now have just added them to eggs.ini to satisfy the dependencies. This works in general though I occasionally stumble upon problems when scrambling these modules. I wonder what is the suggested way of adding your own Python modules for use your own datatypes inside of galaxy? Thanks in advance. Alexander Rose