Change default task/exec to more complex setup, 0.8.0

If nothing is passed, display help
If unknown command is passed, assume you want to exec it
Added error handling on exec

Use the built in env passing in Kernel.exec on exec, 0.7.2

Tag version 0.7.1

Tag version 0.7.0

Apparently redis uses url instead of uri

That was dumb, fixed now.