I wouldn't count on this happening any time soon - I got the following reply from Red Gate on 6th March.
"I have logged your feature request in our bug tracking system with reference DT-448. This will be considered for a future release of SQL Dependency Tracker but we currently have no timescales for this project."
It's a shame as this is a good product on the verge of being great. Back to TSQL and the ever unreliable sysdepends table