- Added classes for all types of cells:
	* NormalCell
	* GooseCell
	* TeleportCell
	* TrapCell
	* WaitCell

- Added tests for those cell classes:
	* NormalCell
	* GooseCell
	* TeleportCell
	* WaitCell (not finished)
	* TrapCell (not implemented)

- Added UI files:
	* IGameWatcher, interface handling the game events (each method receive information about the game events)
	* ConsoleUI, "interface" we will use, based on the console (wow much interface very text)

- Implemented a few constructors and getters there and there (can't recall where exactly, lol sorry onisan byee ~~)