Rewrite script to use functions.
Switch from spaces to tabs.
Add program help information.
Add version information.
Add usage for list command.
Force option parsing before command is reached.
Add usage for make command.
Add usage for remove command.
Remove run command.
Add usage for configure command.
Add ability to workon Wine environments.

Adds the ability to workon different Wine environments (aka set's the
Wine prefix). In order to accomplish this wineenv had to be converted to
a sourced-script.