Added a new property of the client object: xmlrpc_client->return_type, indicating whether calls to the send() method will return xmlrpcresp objects whose value() is an xmlrpcval object, a php value (automatically decoded) or the raw xml received from the server.

Added in the extras dir. two new library file: jsonrpc.inc and jsonrpcs.inc containing new classes that implement support for the json-rpc protocol (alpha quality code)

Added a new client method: setKey($key, $keypass) to be used in HTTPS connections

Added a new file containing some benchmarks in the testsuite directory