Finished testAvgConnectedSpanForColumnND, changed setup routine to
process through instance methods
Finished testUpdateInhibitionRadius
Finished testAvgColumnsPerInput
Finished testMapColumn
Round 1 of total refactor, all tests pass
Commit before serious refactor - safety point!
Layer construct (SP, TM) unification phase 1
Merge pull request #21 from cogmission/SpatialPooler_Ongoing_Dev

Spatial pooler ongoing dev