Controller: defs without parens not working

[jokade]

class FooCtrl extends Controller {
  def bar: String = ...
}

throws an exception during macro expansion:

[error] java.util.NoSuchElementException: head of empty list
[error]     at scala.collection.immutable.Nil$.head(List.scala:420)
[error]     at scala.collection.immutable.Nil$.head(List.scala:417)
[error]     at biz.enef.angulate.impl.MacroBase.makeArgsList(MacroBase.scala:36)
[error]     at biz.enef.angulate.impl.ControllerMacroUtils$$anonfun$copyMembers$2.apply(ControllerMacros.scala:151)
[error]     at biz.enef.angulate.impl.ControllerMacroUtils$$anonfun$copyMembers$2.apply(ControllerMacros.scala:149)
[error]     at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:245)
[error]     at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:245)
[error]     at scala.collection.immutable.List.foreach(List.scala:381)
[error]     at scala.collection.TraversableLike$class.map(TraversableLike.scala:245)
[error]     at scala.collection.immutable.List.map(List.scala:285)
[error]     at biz.enef.angulate.impl.ControllerMacroUtils$class.copyMembers(ControllerMacros.scala:149)
[error]     at biz.enef.angulate.impl.ControllerMacros.copyMembers(ControllerMacros.scala:14)
[error]     at biz.enef.angulate.impl.ControllerMacros.createController(ControllerMacros.scala:88)
[error]     at biz.enef.angulate.impl.ControllerMacros.controllerOf(ControllerMacros.scala:29)
[error]   module.controllerOf[TransitionMatrixCtrl]