Updated the output format too.

Before:

-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit
-- ON
-- time_zone
-- SYSTEM
-- character_set_client
-- latin1
-- character_set_connection
-- latin1
-- redirect_url
--

After:

-- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
-- autocommit: ON
-- character_set_client: latin1
-- character_set_connection: latin1
-- redirect_url:
-- time_zone: SYSTEM