updated login API parameters for 5.3.1.#
updated login API parameters for 5.3.1.#

this change is backward compatible
duckback00/dxapikit,duckback00/dxapikit,duckback00/dxapikit,duckback00/dxapikit,duckback00/dxapikit,duckback00/dxapikit,duckback00/dxapikit