WIP return keyword, read more

Functions are having issues with being copied around, especially
between buckets, leading to the scopes getting looped. The program gets
stuck in 'incrementRefCount()'.

It's past my time limit, so I'll keep working on it tomorrow with a
fresh mind.

All function stuff is still untested.

See #163

source/toy_scope.c

@@ -10,6 +10,12 @@
 //utils
 static void incrementRefCount(Toy_Scope* scope) {
 	for (Toy_Scope* iter = scope; iter; iter = iter->next) {
+		//check for issues
+		if (iter->next != NULL && iter->next->refCount == 0) {
+			fprintf(stderr, TOY_CC_ERROR "ERROR: Toy_Scope's ancestor has a refcount of 0'\n" TOY_CC_RESET);
+			exit(-1);
+		}
+
 		iter->refCount++;
 	}
 }