Command containing quotes are now escaped.
Update async.
v0.4.0
Add port number support

closes #11
- port number syntax: user@host:port (default port: 22)
- added -p option to ssh commands
- modified tests
Merge pull request #20 from sebgie/issue#11

Add port number support
Merge branch 'master' of https://github.com/sebgie/grunt-shipit