* rm unused global declaration.
* rm references usage in a foreach iteration ($info does not seem to be assigned to anything, so no benefit to using refs).
* Define local var in error printout.
* rm a few local vars that look unused.
* Make paranoia check do something.
* API: added experimental watchlist rss/atom feed
* API: if available, json_encode() will be used
* API: opensearch parameter changed to "search=" (more descriptive)
* API: minor parameter cleanup, a wrapper for Feed class
