'Return error if serveris off and command is sent'

"Return error if server is off and command is sent" - DaneEveritt, you ment (<a href="https://github.com/gametainers/gsd/issues/3">#3</a>) this?
Update gsd.js

Now it's ok, i think.
Merge pull request #10 from Chomiciak/patch-1

'Return error if server is off and command is sent'