Reformat code.
Fix bug.
exit() to drupal_exit(). Delete unused variables.
Reformat code 2.
Info file.
Remove all old CVS $Id tags, they are not needed anymore.
Code standard.
Comments.
Delete install hook.
Code standard.
Remove hook_uninstall().
New constants.
Merge pull request #22 from DrupalCodeReview/code_pg_roboxchange

Code standard "pg_roboxchange"