Build 0.7.0

Build 0.7.0 is out and adds some cool new classic mode features.

New Classic Level 'Lights Out' Classic Mode Co-op Classic Mode Items

• 
  Bomb - Remove all the current numbers on the level and spawn new ones
  
• 
  Swap - Player 1 and Player 2 swap current calculations
  
• 
  Gravity - Change the gravity of the other player for 10 seconds
  
• 
  Calculate - Automatically solve the current number
  
• 
  Erase - Erase the other players current calculation
  
• 
  Question - Create new target number
  
• 
  Laser - Create laser beam that spans the level for 10 seconds
  

Fixes

• Fixed issue on Factory where clearing your calculation wouldn't actually clear the underlying value.
  
• UI cleanups & refinements
  

I can see adding co-op to more modes like Exercises (and of course, online) but for now I'm letting it bake in classic mode.

Thanks for playing!
ScienceRobot