* Fix updating of existing file filter

* Update findFiles() to properly apply filters, sort order / direction, etc.
* Properly persist hash tags @ file entry persist
* Lots of improvements / additions to MCI for upload/download, etc. stats
* Persist processed entries @ upload (WIP, but close!)

core/stat_log.js

@@ -122,6 +122,10 @@ class StatLog {
 		return user.properties[statName];
 	}
 
+	getUserStatNum(user, statName) {
+		return parseInt(this.getUserStat(user, statName)) || 0;
+	}
+
 	incrementUserStat(user, statName, incrementBy, cb) {
 		incrementBy = incrementBy || 1;