test_with_pooling now gives more consistent results

Fixes parameters so that numbers are larger. The test now gives more consistent results.  This Fixes #7.

Increased number of static patterns to 7 and maxDisplacement to 3.

Updated TP_New to reflect changes in NuPIC's spatial pooler. Removed comments repeated from spatial pooler.

Added default for sensoryInputElementsPool in sm_sequences. A bunch of other cleanups.