Updated the aliases and switched from u64 to size_t in the for loops

src/ObjectStore.c

@@ -46,7 +46,7 @@ bool object_exists(ObjectStore *os, void *object) {
   // This is a crude implementation for checking that an object has already
   // been added.
   // TODO (Abdelrahman): Figure out if there is a better way of doing this
-  for (u64 i = 0; i < MAX_OBJ_COUNT; ++i) {
+  for (size_t i = 0; i < MAX_OBJ_COUNT; ++i) {
     if (object == os->object_ptrs[i]) {
       return true;
     }
@@ -150,7 +150,7 @@ void destroy_object_store(ObjectStore **os) {
   // TODO (Abdelrahman): Figure out if there is a better way to remove all of
   // the existing objects without having to loop for the maximum number of
   // objects allowed.
-  for (u64 i = 0; i < MAX_OBJ_COUNT; ++i) {
+  for (size_t i = 0; i < MAX_OBJ_COUNT; ++i) {
     (*os)->object_ptrs[i] = NULL;
     (*os)->event_handlers[i] = NULL;
     (*os)->update_funcs[i] = NULL;