Update README.md

Author: yophlox

README.md

@@ -2,15 +2,17 @@
 
 A C++ game engine built with OpenGL and GLFW. Attempting to keep it as similar to HaxeFlixel as possible.
 
-## Features
+This is all being done by one person so development may be slow.
 
+## TODO
 - [x] Sprites
 - [x] Text
 - [x] Spritesheets (png and xml (Sparrow V2))
 - [x] States and Substates
 - [x] Input
 - [ ] Groups
 - [ ] Events
+- [ ] GUI (Thinking about using imgui for this.)
 
 # Projects made with Phlox Engine: