various fixes

- removed experimental test lib
- fixed watch not outputting errors
- updated examples
- added TODOs for when standard is made public

example/simple/main_check_failing.c

@@ -2,7 +2,8 @@
 
 int main() {
 	int a;
-	printf("hello, world!! %d\n", a);
+	printf("hello, world!\n");
+	printf("a: %d\n", a);
 }