REF: multipletesting missed an inequality
ENH: add normal based tests to weightstats (functions only)
ENH: add dictionary for multipletesting methods
REF: rename _proportions (un-privatize)
ENH: add tests for proportions (copied from devel script)
TST/DOC first test and example for proportion tests
TST test_pairwise.py put tabs back in (error in string parsing)
REF: proportions_chisquare_allpairs return Results instance
TST more unittests for prop test
TST add tests for binom_test