0.21
----
Added:
	redirect_error parameter to allow redirect when not all required fields
	were filled in.

0.2
---
Added:
 	Emailing of user's IP address option
 	Option to email the user's hostname as provided by the remote_host 
	environment variable.

Fixed:
	Use of variables when they might not be defined.
	Thanks to Aerik Watson for pointing this out to me.

Changed:
	Set $ENV(PATH) and
	made sure to delete @ENV{qw(IFS CDPATH ENV BASH_ENV)}
	before calling sendmail.