Patch #179848 chx : XMLRPC server does not honor optional parameters - follow up amend xml-rpc callback definition

#322490 by rightchoice2c_me: we need to respect varchar type on services_timestamp_nonce.timestamp or postgres gets angry

#330883 by SamRose and snelson: possible conflict with book.module and taxonomy_service_select_nodes. pretty sure it had to de with doing a node_load() instead of node_load(->nid)

#363890 by greg.harvey: node.load should not format body content. added node.view method for formatted node content

#317669 by greg.harvey: views.get and node.get methods do not appear to use API keys, even if enabled

#150809 by snelson: user.login will now throw a fault if the user is already logged in. user.logout will now throw a fault if the user is not logged in.