Allow output escaping to be disabled on an xml.TextNode
Add test for DisableOutputEscaping
Documentation strings for the gokogiri module and the AttributeNode.
Add documentation for most of the Document and Node APIs
Merge pull request #64 from jbowtie/disable-output-escaping

Allow output escaping to be disabled on an xml.TextNode
Merge pull request #65 from jbowtie/add-missing-documentation

Add missing documentation
Merge branch 'master' into mw_master