security fix for an XSS problem in docxmlrpcs.inc

All users of the documenting_xmlrpc_server class are urged to upgrade asap.

v0.5.0

XML-RPC for PHP EXTRAS version 0.5 - 2009/09/05

This is the first release of the library to only support PHP 5.
The corresponding version of the base library is 3.0.0 beta

Quite a few changes and bugfixes have been made in the are of json support:

• improved: catch exceptions thrown during execution of php functions exposed as methods by the jsonrpc server
• fixed: fix bad encoding if same object is encoded twice using php_jsonrpc_encode
• improved: json_extension_api.php: added json_last_error() function and the constants defined in php 5.3.0
• improved: allow 'mixed type' jsonrpc servers (see description in the xmlrpc server docs)
• improved: allow 'phpvals' jsonrpc servers to do type checking on incoming requests
• fixed: a missing 'new' call when building string vals in php_jsonrpc_encode
• fixed: encoding of UTF8 chars outside of the BMP
• fixed: encoding of '/' chars in jsonrpc when source is in UTF8