update params; note CPI indexing; rename constants.py to parameters.py
attempting to rectivy sublime vs github.com formatting
Update var_labels.txt
add versioning with versioneer
Merge pull request #80 from talumbau/versioneer

add versioning with versioneer
Merge pull request #78 from MattHJensen/master

Update Parameters
fix test.py to use `parameter` module
Merge pull request #81 from talumbau/fix_testpy

fix test.py to use `parameters` module
merged w/master, global vars ItemDed fix