v1.2.0

Sandbox2D v1.2.0

• Added 3 new objects to spawn (Plank, Pellet, Tiny box)
• Added Tool menu (Bound to 'C')
• Added panning (Middle click)
• Controls are now displayed in the tool menu (Removed control menu)
• Added wheel mode
• Bodies are highlighted when being welded
• Improved GUI
• Fixed crash when adding constraints