learningequality/ka-lite — pull request #1630 by bcipolli (2014-02-26 05:47:11+00:00)
Title: Fix for search caching issues (#1561 and more)

Always clear the cache on server restart, as we really can't tell what's changed.

Also, always hit the server for a search request to check if the search tree has changed, but only re-parse the result if something changed.