0.4.1
- Put the email server line back in the config file
- the -f option was not working. Fixed.
- The command-line option handling routine was ugly and flawed. Fixed.

0.4.0
- Emails finally conform to HELO protocol (d'oh!)
- More informative emails
- Process group doesn't need to be explicitly specified as it's grabbed from the password file for the specified user
- Default time interval can be changed in config.h
- Can now specify custom config file at command line

0.3.0
- Separate start-up script and service fields