serializeList
Generate the serialized form of a typed list.
    connection.serializeList( list )
  
  Generate a raw array representation of a typed list. This default implementation simply returns a plain Array
containing the result of calling serializeInstance on each item in the
typed list.
Parameters
- list 
{List}:The instance to serialize.
 
Returns
 {Object|Array}: 
A serialized representation of the list.