Moved toMap(), toVector(), and toArray() from Converter to Col.
Moved Converter::is() to a new Type class.
Add a default value to Col::get().
Started working a new OO XML layer that replaces the old Converter logic.
Added namespaces and declaration support to XmlElement.
Added tests for XmlDocument::fromMap().
Started working on the SimpleXml logic.
Implemented XmlElement::toMap().
Added more helper methods to XmlElement.
More work on XML values.
Rework XmlDocument map generation.
Finalize SimpleXml conversion.
Added XmlDocument::fromVector().
Removed Converter code. Updated all other XML logic.
Type checker fixes.
Fix newline.
Merge pull request #35 from milesj/issue-5

Remove Converter, Refactor XML
Merge from master.
Updated caching tests in the view package.