FIX: from_list now actually works from a list of _XYCells, as well as a list of singleton bags
move test
between
oops, added noddy
works; thinking about not grouping
Minor language improvements in test docstrings
Skip tests which exercise hamcrest if it is not available
Merge pull request #27 from pwaller/minor-fixes

Minor improvements
seems ok
Merge branch 'master' of https://github.com/scraperwiki/xypath
merge