def save!
      load
      added.each do |record|
        associate!(record)
      end
      removed.each do |record|
        disassociate!(record)
      end
      reload
      true
    end
def save!
      load
      added.each do |record|
        associate!(record)
      end
      removed.each do |record|
        disassociate!(record)
      end
      reload
      true
    end
Pushes collection changes to SugarCRM, and updates the state of the collection