Finished release 0.2.1.
Fix trailing whitespace
Redirect stdout to /dev/null from ping where machines dont resolve
Add a -K option

Sets StrictHostKeyChecking=no for all ssh connections so keys are auto added to known_hosts
Fix whitespace
Bump version
Fix redirect
Fix getopts for -K
Fix getopts for -K
Add -V flag for version
Finished release 0.2.2.