Include the erl_db_ets-module to handle ETS backend
Make the calls to poolboy compliant with the version that ChicagoBoss runs on.
First attempt on including custom functions in the model-files.

Right now we can only handle one function per model, but that can be fixed with some additional parsing. (We'll have to run erl_parse:parse_form on each function)
Make erl_db compliant with the version of poolboy that ChicagoBoss uses