revised NrParts function to compute p(Q) and p(Q,N) -KL

Tested against Sage, bug-free.
updated comments on NrParts function -KL
updated comments on NrParts function -KL
Merge remote-tracking branch 'upstream/master'
Resolve conflicted merge of misc_part_func.py

Merge branch 'master' of github.com:dmcglinn/partitions

Conflicts:
	misc_part_func.py