added priority ranking to TODO list

TODO.md

@@ -1,9 +1,10 @@
 # TODO
-List of things to do for AxisEngine
+List of things to do for AxisEngine development
 
 <hr/>
 
 ## High Priority
+These objects should be completed before work on anything else can continue. Either because other development relies on them, or they merit completion on their own.
 
 ### Start making a test game
 The features of the engine have only been tested independently and in very controlled environments. We need to make sure that all features will work together before adding other features.
@@ -27,6 +28,7 @@ The features of the engine have only been tested independently and in very contr
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 ## Medium Priority
+These are things that need to get done at some point, but should not be focused on until there are no items in High Priority.
 
 ### CollisionManager and Physics Engine
 * ability for collision between colliders (BoxCollider, CircleCollider)
@@ -38,10 +40,16 @@ The features of the engine have only been tested independently and in very contr
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 ## Low Priority
+These are the kinds of things that should get done at some point or have just been written down as ideas that need more thought before completing.
+
+### Create/Finish API Documentation
+* A documentation/API for AxisEngine needs to be completed on the wiki.
+* Not important when its done, as long as it is complete before using AxisEngine before making any actual games with it.
 
 <hr/>
 
 ## New Features
+These features have not been started yet, and are really just notes on ideas that should be remembered.
 
 ### UI Framework
 * elements should be parentable with a "pane" object to exist as their base in the world
@@ -54,13 +62,13 @@ The features of the engine have only been tested independently and in very contr
 * customizable images for the elements
 * make all object clear and easy to use
 
-### XML Templating?
+### Templating
 * it would be awesome if there were a way to make an xml template file for building worlds and layers.
-
-### Predefined game class template
-* for the game
-* for worlds
-* for layers
-* for worldobjects
+* Visual Studio AxisEngine Project Template
+* Predefined game class template
+    * for the game
+    * for worlds
+    * for layers
+    * for worldobjects
 
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