v0.5 - Small Update to Python API

Changes

A small update with changes to the python api such as:

•  Finished implementing Timer node.  Will add option to add within editor in a later version.
• Added function to get CollisionShape2D instances that the mouse cursor touches.
• Able to get Node's unique name through `name` property.
• Able to get a node's parent with get_parent() and children with get_children().

Version Info

Engine: v0.34.0

Editor:  v0.1.1