Added programming guide, updated appledoc comments for enums
Added programming guide
Updated podspec
Merge branch 'release-1.6.5'
Added 1.6.5 changelog post link
Fixed syntax error
Merge branch 'release-1.6.5'
Ignore element names that aren't found in the list of known selectors. This speeds up cascade calculation tremendously.
rename method to something more sensible
Merge pull request #554 from amro/cascade_optimization_issue

Cascade optimization issue