Split up things more into different files#94

Merged

KevinHock merged 3 commits intomasterfrom fix_foddy_crash

Mar 20, 2018

+825-922

Commits on Mar 20, 2018

Made node_types, inter_cfg_helper and base_cfg_helper files, Removed intraprocedural, changed {} to dict.
KevinHock
committed
Fixed mistake where I made a 2nd exitnode, make it DRYer
KevinHock
committed
Removed extra newline
KevinHock
committed