Merge pull request #9 from jeremyevans/master

Fix RDoc dependency, bump version to 0.2.5
Regenerate gemspec for version 0.2.5
update url in gemspec for repository
Version bump to 0.3.0
Revert "Version bump to 0.3.0" also jeweler sucks

This reverts commit 29bf755d4d12242c1adcacf1ccb91f03bff893ff.
Version bump to 0.2.6
Regenerate gemspec for version 0.2.6
Remove duplicate entries in the method index, fix attribute links

I'm not sure why exactly there are duplicate entires, but this
seems to fix it.

The links for the attributes were incorrect, since hanna uses
attribute-* as the anchor for attributes.  Looks like both
respond to aref, so just use that.