Live tail, api key management and removal of deprecated commands

Logset management support.
Live tail support.
Api key management support.
Bug fixes/enhancements around configuration file and api url(s).
Breaking change: Removed deprecated commands: addusertoteam, adduser, createsavedquery, createteam, deletesavedquery, deleteteam, deleteuser, deleteuserfromteam, events, getowner, getsavedqueries, getsavedquery, getteams, getteam, listusers, recentevents, renameteam, updatesavedquery, usage

Bug fixes for management_url and ro_api_key in configuration file

All management related APIs uses management_url configuration now.
ro_api_key and management_url is auto created in config file now.

Logset Management Support

Logset management is now supported

Log Management Support & Command Refactor

• Log management support.
• Commands now follow lecli <action> <resource> pattern.
• Deprecated old commands.

bug fix for empty stats query results

0.6.1

Update _version.py

Saved query management support

0.6.0

Update _version.py