renamed EachPairEnumerator to ThreadsafeHashEnumerator
renamed EachPairEnumerator to ThreadsafeHashEnumerator

--HG--
branch : 3.1.x

remko/nanoc,hilohiro/nanoc,RubenVerborgh/nanoc,nanoc/nanoc,barraq/nanoc,gjtorikian/nanoc,legallybrown/nanoc