Merge pull request #4 from tanaydin/master

Fix for authentication bug.
killing process wasn't working.
Merge pull request #5 from tanaydin/kill_process_bug

killing process wasn't working.
Server addresses as positional arguments allowed instead of the configuration file.
Bug fixed for Python 3 on actions include operations without query.
Configuration variable added to show operations for the servers.
ConsoleActivator class removed.
QueryScreen class refactored, action execution time optimized.
Positional argument used to filter servers in the configuration.
Username, password arguments added.
Sorting operations fixed for Python 3.
Descriptions added to the arguments.
Setup.py added.
Columns widths left unchanged for the last cell of the lines.
Exception caused by disconnected servers handled on startup.
Connection error message showed on the status block for disconnected servers.
Version updated to 1.1.
crash while creating index bug fix.