docs: def setParent(self, other):
          """
          Sets the parent for this layer to the inputed layer.
          
          :param      other | <XNodeLayer> || None
          
          :return     <bool> changed
          """
          if self._parent == other:
              return False
          
          # remove this layer from its parent
          if self._parent and self in self._parent._children:
              self._parent._children.remove(self)
          
          self._parent = other
          
          # add this layer to its parent's list of children
          if self._parent and not self in self._children:
              self._parent._children.append(self)
          
          self.sync()
          
          return True