Add function in

gistfile1.txt

Add this function into line 847 of apps/trellinator-libs/Card.gs:

    /**
    * Mark the due date on this card incomplete
    * @memberof module:TrelloEntities.Card
    * @example
    * //Mark the due date complete on a card that was moved into the Done list
    * new Notification(posted).movedCard("Done").markDueDateIncomplete();
    */
    this.markDueDateIncomplete = function()
    {
        TrelloApi.put("cards/"+this.data.id+"?dueComplete=false");
        this.data.dueComplete = false;
        return this;
    }