* use hook_civicrm_config to simplify module installation/uninstall, depends on CiviCRM >= 3.1.
* allow to send e-mails to multiple recipients
* show part of the error message in the subject of the e-mail
-added civicrm error info to the email
-added $_REQUEST
-added more php error info
-gave the ability to send emails on all civicrm errors, not just fatal ones.