Add passthruUrls to the list of URLs that are changed by fixUrl.
Wrote a bunch of POD for fixUrl
Changed the regular expressions related to badUrl so they don't need to copy the data. This
will speed them up.
Fixed a bug where trailing slashes would defeat the badUrl check.
Re-indented according to WGBP.
Added tests to cover all of the changes.
no className is passed and the invocant's class is Asset. This is
due to the root. In the db, the root Asset has the className WebGUI::Asset,
and the getRoot method matches this.
Changed the failing test in Asset.t to look for a WebGUI::Asset to be returned.
Added two tests to Asset.t to validate the object returned by Asset->getRoot method.
Reverted previous work and updated the POD for Asset->new.