`wym._element` => `wym.element`.
Document undocumented stuff.
Merge branch 'issue_605' into issue_606
`.getFromArrayByName` => `._getFromArrayByName`
`.spaceBlockingElements` => `._spaceBlockingElements`
Document console wrapper.
Some indentation fixes in API docs.
Some fixes to the API documentation and code comments.
Small API docs fix.
Merge pull request #606 from wymeditor/issue_606

Document undocumented public items