* 2015-11-28 1.3
  add merge_tables, merge_tables_with_code
  get_tables can get only specific rows
* 2015-11-05 1.2
  remove VERSION from submodules
* 2015-11-05 1.1
  Fix CPAN structure
* 2015-07-08 1.0
  First version, released on an unsuspecting world.
  GLPlugin has long been used in check_*_health-plugins