+ Added format time method
+ Mouseover popup now shows the date and time of the last modification
+ Structural changes to annotations now properly set timeLastUpdated
+ Fixed month to show value between 01-12 rather than 00-11
+ Added AnnotTrack.closeDialog()
+ Removed some commented out code
+ Turned HTMLFeatures floating of arrows back on
+ Added <export_source_genomic_sequence> option for whether to export the underlying source genomic sequence data