bump version to 0.1.12
Added more stop words.

--HG--
branch : dunning/added-more-stop-words-1398096470904
Merged in dunning/zotxt/dunning/added-more-stop-words-1398096470904 (pull request #1)

Add more stop words.
fix test for new output
support checking notes for explicit keys as well as tags
bump version
add docs about custom keys