some fixes

src/Hashtable/Hashtable.c

@@ -50,7 +50,8 @@ void Hashtable_expand(Hashtable* ht){
             Autoarr(KVPair)* newar=newrows[newrown];
             Autoarr_add(newar,p);
         }
-        Autoarr_free(ar, true);
+        // there is no need to free array values, because they are copied into new array
+        __Autoarr_free_KVPair(ar, true);
     }
 
     free(ht->rows);

src/Hashtable/KeyValuePair.c

@@ -17,7 +17,7 @@ void __KVPair_free(void* p){ KVPair_free(*(KVPair*)p); }
 // func for  KVP array clearing
 void __Autoarr_free_KVPair_(Autoarr_KVPair* ar, bool freePtr){
     Autoarr_foreach(ar,k,KVPair_free(k));
-    Autoarr_free(ar, freePtr);
+    __Autoarr_free_KVPair(ar, freePtr);
 }
 void ____Autoarr_free_KVPair_(void* ar){
     __Autoarr_free_KVPair_((Autoarr_KVPair*)ar, false);