Pretty awesome, just a couple of suggestions: 1. Items shouldn't disappear from the selection (I can only add one (space) for some reason). 2. Allow grouping

Pretty awesome, just a couple of suggestions: 1. Items shouldn't disappear from the selection (I can only add one (space) for some reason). 2. Allow grouping of items. For example, if you want to have [time] you should be able to drag the "[", "time", and "]" as a group instead of individually.