EllisLab/CodeIgniter — pull request #587 by plasticated (2011-10-17 12:41:03+00:00)
Title: Changed session table user_agent field to 255 to accomodate long strings

Changed session table user_agent field to 255 to accomodate long agent strings. Truncation of this data would cause the session to not match when the "sess_match_useragent" config option was set to TRUE.