Bar.lua utility

[Luamnoxu]

• [x] Remove the Kill yourself debug print
• [ ] Animation for Increasing the Value
• [x] Prevent nil value errors when going above 10 or below 0
• [ ] Dynamic amount of Actors? (Or let the user decide how many actors to load with :new() )
• [ ] Indicate the current end of the lifebar
• [ ] Ask if Bar should be manually eased or if the bar should handle it
• [ ] Ease speed
• [ ] Configurable colors