public static class DictionaryExtensions
	{
			//Override value of identifical key in base dictionary
			public static void AddRangeOverride<TKey, TValue>(this IDictionary<TKey, TValue> baseDictionary,
					IDictionary<TKey, TValue> dictionaryToAdd)
			{
					foreach (var x in dictionaryToAdd)
					{
							baseDictionary[x.Key] = x.Value;
					}
			}
			//Only add new keys into the base dictionary
			public static void AddRangeNewOnly<TKey, TValue>(this IDictionary<TKey, TValue> baseDictionary,
					IDictionary<TKey, TValue> dictionaryToAdd)
			{
					foreach (var x in dictionaryToAdd)
					{
							if (!baseDictionary.ContainsKey(x.Key))
							{
									baseDictionary.Add(x.Key, x.Value);
							}
					}

			}

			//this will throw an error if an existing key from the dictionary to add exists in the base dictionary
			public static void AddRange<TKey, TValue>(this IDictionary<TKey, TValue> baseDictionary,
					IDictionary<TKey, TValue> dictionaryToAdd)
			{
					foreach (var x in dictionaryToAdd)
					{
							baseDictionary.Add(x.Key, x.Value);
					}
			}

	}