2013-03-20

Added null handling for JSON objects serialization and parsing. Added deserialization rules for more objects. Tested loading a saved game.

Class: GameLevel
- Implemented methods loadBubbles1(), loadBubbles2(), and loadAsplodeBubbles().
- Fixed method for saving asplodeBubbles to JSON.

Class: BubblesJSONParser
- Added handling for parsing null values from JSON strings.
- Modified handling for quoted strings (included single quotes).

Class: BubblesJSONObject
- Added null value storage and handling.