Support for any Dictionary implementation

Right now only `IReadOnlyDictionary<TKey, TValue>>` implementation are allowed, but any `IEnumerable<KeyValuePair<TKey, TValue>>` would work. So changing the overload would be an improvement.

Author: snalesso

QueryBuilder/Query.Insert.cs

@@ -40,7 +40,7 @@ public Query AsInsert(IEnumerable<string> columns, IEnumerable<object> values)
             return this;
         }
 
-        public Query AsInsert(IReadOnlyDictionary<string, object> data, bool returnId = false)
+        public Query AsInsert(IEnumerable<KeyValuePair<string, object>> data, bool returnId = false)
         {
             if (data == null || data.Count == 0)
             {
@@ -117,4 +117,4 @@ public Query AsInsert(IEnumerable<string> columns, Query query)
         }
 
     }
-}
+}