From 1.1.16 to 1.1.17

• `CDiv()' function.
• `BitAnd()', `BitOr()', `BitXor()', `BitNot()' functions.
• When the result of operators `/' and `^' is an integer, the result now will have integer type (this is to make things like `BitOr(2^5, 2^10)' work).