Fix import
Removed unused parameter
Added code to find ANs and NNs in FET output
Merge pull request #1 from mbatchkarov/dev

Adding extra code
Imported a number of utility modules from my own project in the hope that these might be useful to others. Documentation TBD
Added a module that got left behind earlier.
Added requirements to setup.py
Added documentation and moved a few functions that got left behind before
Improved logging