Fix XSLT URL issue, for real this time. Sometimes you have to ignore WordPress internals because they are just plain wrong. This is such a time. The path to the XSL file should now always be correct. Note the word "should" though.
Improve matching of Youtube ID's, apparently those can contain underscores too.
Improve the reindexing process by running through consecutive loops of 100 posts, to avoid memory issues.
Fixed very annoying bug where video's would be mark as non-family-frienldy by default.