basic properties functionality for HTML, core
tests for HTML properties, span for col/rowspan
PEP8
PEP 8 and docs
Merge remote-tracking branch 'origin' into properties
Merge branch 'properties' of github.com:scraperwiki/messytables into properties
Remove lxml dependencies
Main pdftables support code
Tests for PDF support
Merge branch 'properties'
Merge branch 'reduce-dependencies'