---Fixed indentation and columnwidth
---fixed indentation and columnwidth in fit.py and film.py.
---added config file. Finished porting to python 3.
---finished section on reading form config file
---added species_index and theta_index to config file.
---tested interpolation routines. Added config parameter for
interpolation.
---put all fitting procedures in fit.py. Added config var for zeroing
out scales larger than BES.
---fixed output directory in all files.