sphinx docs
Bring setup.py version in line with tag
Add tests for existing fill method (there weren't any)
Implemented optional stop_before argument to Bag.fill() which terminates the fill process.
Bump version in setup.py
Removed unused commits in test_fill.py
Fixed some warnings in tests
Merge pull request #39 from scraperwiki/fix-some-warnings

Fixed some warnings in tests (merge me!)
add xyzzy from wip branch
added xyzzy example
not working, not sure why, dimensionality issues
not working, not sure why, dimensionality issues
use row/column index to extract values with multiple dimensions: DEMO
clearer variable names etc.
allow xypath.xyzzy.xyzzy etc
Use itertools.takewhile() function
Return false in __eq__ rather than assert.
Removed readthedocs _build output
Merge pull request #38 from scraperwiki/improve-fill-method

Implement a minimal stop_before argument to xypath.Bag.fill()
Merge pull request #37 from scraperwiki/remove-build-output

Removed readthedocs _build output (review carefully)