Basic _pFormatArray() test
Minor cleanup, consistent use of double-quote, proper comparison to None
singleton, simplified _pFormatArray(), including namespace conflict resolution
Consistent use of parens in for loops that iterator over tuples
Merge remote-tracking branch 'upstream/master' into minor_cleanup
Merge pull request #283 from oxtopus/minor_cleanup

Minor cleanup in CLAClassifier.py
Merge branch 'master' of github.com:numenta/nupic into getPredictedState