$.fn.txpAsyncHref() can handle data types other than text.

Closes issue #358

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5197 2fea6a4d-a838-0410-917b-93a53c48e9d2
The annual moon day.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5198 2fea6a4d-a838-0410-917b-93a53c48e9d2