/// <summary>
 /// Sets the value of a new or existing variable within the global context
 /// </summary>
 /// <param name="key">The key of the variable that is to be added</param>
 /// <param name="value">The value to add</param>
 public void Set(string key, object value)
 {
     ContextNLog.Set(key, value);
 }
 /// <summary>
 /// Sets the value of a new or existing variable within the global context
 /// </summary>
 /// <param name="key">The key of the variable that is to be added</param>
 /// <param name="value">The value to add</param>
 public void Set(string key, object value)
 {
     ContextNLog.Set(key, value != null ? value.ToString() : null);
 }