fix, PEBKAC, comboLegs in new twsapi are shared pointers

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'twsapi-0.5' into next

* twsapi-0.5:
  fix, PEBKAC, comboLegs in new twsapi are shared pointers
  fix, PEBKAC, don't compare comboLegs against NULL with the new API.