++ -- statements; add strconv.odin (and replace some of the fmt procs); Fix ~ on 64 bit constants; Fix integer casts from smaller to larger size

core/strings.odin

@@ -9,7 +9,7 @@ to_odin_string :: proc(c: ^byte) -> string {
 	s: string;
 	s.data = c;
 	for (c+s.count)^ != 0 {
-		s.count += 1;
+		s.count++;
 	}
 	return s;
 }