add logs to the task

display which project it is in

star tasks appear ahead of other task in the next

star tasks(today) should appear ahead of other task in the the task list

to collapse the thougth with double click of mouse

someday/delegated/scheduled/hold should be more like tags

to move the item forward/backword

in the filter area, if a certain tag has been put, then, how to return back for all the tags and none tags