text: #default connection properites
  DEFAULT_XAPI_ADDRESS        = 'xapi.xtb.com'
  DEFAULT_XAPI_PORT           = 5112
  DEFUALT_XAPI_STREAMING_PORT = 5113
  
  # wrapper name and version
  WRAPPER_NAME    = 'python'
  WRAPPER_VERSION = '2.5.0'
  
  # API inter-command timeout (in seconds)
  API_SEND_TIMEOUT = 0.2 # 200ms
  
  # max connection tries
  API_MAX_CONN_TRIES = 3