• Support default values in destination constructor #5

closes #10 closes #9

• Infix/Operator notation/for navigation

  • ship.navigateTo(destination) can be expressed as ship += destination
  • ...

• Support optional and boxed primitves for autoCrane

Implemented chain based routing

• navigateTo(destination, replaceCurrent) is now deprecated
• Three new operators are introduced:
  • startAt(destination)
  • navigateTo(destination)
  • beamTo(destination)