// Factor         -> Indentifier
//                -> Integer
//                -> ( BoolExpression )
// Term           -> Factor
//                -> Factor * Factor+
//                -> Factor / Factor+
// Expression     -> Term
//                -> + Term
//                -> - Term
//                -> Term + Term+
//                -> Term - Term+
// BoolExpression -> Expressiom
//                -> Expression = Expression
//                -> Expression <> Expression
//                -> Expression < Expression
//                -> Expression <= Expression
//                -> Expression > Expression
//                -> Expression >= Expression
// Statement      -> Begin
//                -> While
//                -> If
//                -> Write
//                -> Read
//                -> Assignment
// Begin          -> Statement    \\ This is where a statement separater (";") should added!
//                -> End
// While          -> BoolExpression Statement
// If             -> BoolExpression then Statement
//                -> BoolExpression then Statement "else" Statement
// Write          -> BoolExpression , BoolExpression+
// Read           -> Input
// Assignment     -> Indentifier = BoolExpression