4.5.1

• improved: made it easier to subclass the Helper\Charset class by allowing instance to use late static binding

• fixed: reinstated access to xmlrpc_server->dmap (for users of the v3 API)

• fixed: method xmlrpc_encode_entitites (for users of the v3 API)

• improved: split the code of the demo server in multiple files, describing better the purpose of each