`._getSelectedListItems`: Rewritten.
`._getSelectedListItems`: More clarity and comments.
Merge branch 'master' into _getSelectedListItems
Test for `_getSelectedListItems`: Proof of concept.
Merge branch 'master' into _getSelectedListItems
`._getSelectedListItems`: Pass selection object to this method.
`._getSelectedListItems`: Save `this` as `wym`.
`._getSelectedListItems`: `jQuery.unique` requires plain array (docs say).
`._getSelectedListItems`: Slightly better comment.
`._getSelectedListItems` tests: Better and more!
`._getSelectedListItems`: Better comment.
`._insertList`: Critical typo.
`._getSelectedListItems` tests: Some more acceptable results.
Merge pull request #532 from mightyiam/_getSelectedListItems

Closes #532. Rewrite of `._getSelectedListItems`