In Text class, draw() background for text added;
In Player class:
1. setLives() method deleted;
2. maxLives field added;
3. Lives checker added in gainLevel() method.
In GamePanel class:
1. Chances of powerUps throwing edited;
2. Amount of enemies edited.
In Constants class final field UBER added as a type of power up;
In GamePanel class added the UBER power up (logic, key event, drawing etc);
In Player class added some the UBER logic;
In PowerUp class the UBER added.
TODO list.
New class Config.
Some values in GamePanel was added as fields from Config class.