jeremytregunna/ruby-trello — pull request #63 by danmcp (2013-08-13 19:43:36+00:00)
Title: Adding checked and postion options to checklist add item

Trello doesn't have the ability (at least that I can find in the api) to check an existing item but they at least can let you add an item in the checked state. Adding position as a bonus.