Add ability to acquire targets based on distance
Bring pygame into project
Add extremely basic event loop and window for game
Set all z positions to 0 for now
Draw very basic unit representations
Add color/width attributes to Unit
Add drawingInfo functions for buildings & active
Draw circles for units / rectangles for buildings
Mark target as red. Cleanup file.
Draw attacking unit

This makes it much more clear that the closest unit is the one being
targeted.
Quit if 'q' key is pressed.
Draw all items w/o appending hero to enemy list
Cleanup
Very basic unit movement
Add unit method to get univVec to target
Add generic move method to activeUnit

This method accepts a vector to determine which direction and distance
to move.
Hero unit will now move towards target