Fix wrong uri (without host) for rackspace.dns.updateRecords
Fix wrong response handling
Update client.js

Misleading error message
Merge pull request #193 from dscape/patch-1

Update client.js
Fix error creating server with invalid image
Merge pull request #192 from rysenko/master

Fix wrong uri (without host) for rackspace.dns.updateRecords
Merge pull request #194 from rosskukulinski/master

Fix error creating server with invalid image