customfilter 6.x-1.0-rc2

Changes since DRUPAL-6--1-0-RC1:

• By kiamlaluno: Corrected the references to hook_update_NN() with hook_update_N().
• By kiamlaluno: Moved code from customfilter_export_form() to customfilter_export_form_submit(); fixed the access to a variable not anymore used.
• By kiamlaluno: Added the code to reset the global variables before the filter is executed.
• By kiamlaluno: Changed the value for the API version constant.
• By kiamlauno: Updated the content of the API revisions file.
• By kiamlaluno: Changed the comment used for hook implementations; removed the comments placed between different type of functions.
• By kiamlaluno: Changed the messages shown by the update functions.
• By kiamlaluno: Removed unused Drupal variables.