Version 0.1.1:

Reworked all grammar logics:

	- explicit operators, expressions , etc...
		Integer or Boolean for now.
		
	- no visitor for now. 
		every component of the grammar has a run method.
		
	- no game logics or graphics. no scenario system yet.
	
	- basic statments such as : if, for, while and block.
	- basic expressions as well as operators, such as: 
		binary for int\bool
		unary for int\bool
		assign for int\bool (including variable declaration)