add autodiscovery feature to modify and query clients
add autodiscovery feature to modify and query clients

Using auto discovery we only need to give LTU Engine server
base url such as http[s]://myserver.com
and not http[s]://myserver.com:8080/api/v2.0/ltuquery/json ...

pauline-jastec/ltuengine-python-client,yallusse/ltuengine-python-client