- added handling for shift and bit operators.

- added the '>>>' (unsigned shift) operator. Although, with unsigned numbers available, this is technically not really needed, DECORATE supports this so ZScript should, too, if only for the benefit of making conversion tools easier to handle.

src/scripting/zscript/zcc_parser.cpp

@@ -95,6 +95,7 @@ static void InitTokenMap()
 	TOKENDEF ('&',				ZCC_AND);
 	TOKENDEF (TK_LShift,		ZCC_LSH);
 	TOKENDEF (TK_RShift,		ZCC_RSH);
+	TOKENDEF (TK_URShift,		ZCC_URSH);
 	TOKENDEF ('-',				ZCC_SUB);
 	TOKENDEF ('+',				ZCC_ADD);
 	TOKENDEF ('*',				ZCC_MUL);