working on unload and added getsize to hashtable

src/std/hashtable.c

@@ -406,6 +406,25 @@ void *ARC_Hashtable_Get(ARC_Hashtable *hashtable, void *key){
     return NULL;
 }
 
+uint32_t ARC_Hashtable_GetSize(ARC_Hashtable *hashtable){
+    uint32_t size = 0;
+
+    //loop through the vector and add iterate the size when the value is not null
+    for(uint32_t index = 0; index < hashtable->currentCapacity; index++){
+        //get the current node
+        ARC_HashtableNode node = hashtable->nodes[index];
+
+        //skip past NULL keys
+        if(node.key == NULL){
+            continue;
+        }
+
+        size++;
+    }
+
+    return size;
+}
+
 void ARC_Hashtable_RunIteration(ARC_Hashtable *hashtable, ARC_Hashtable_IteratorFn iteratorFn, void *userData){
     //pass each non NULL nodes into an iteratorFn callback
     for(uint32_t index = 0; index < hashtable->currentCapacity; index++){