Add a QueueLinkedHashSet class
Add a QueueLinkedHashSet class

Change-Id: I17c38877fd69b7406cff9d2c56c26af33c3b9b10
Reviewed-on: http://gerrit.dmdirc.com/1629
Automatic-Compile: DMDirc Local Commits <fd7610eb81751244add0a62da2de7da51cfdce47@googlemail.com>
Reviewed-by: Chris Smith <711c73f64afdce07b7e38039a96d2224209e9a6c@dmdirc.com>

DMDirc/Util