Merge pull request #13 from ahmader/master

Fix processFields method
Merge pull request #14 from ahmader/master

Adding Module "Potentials"
Release v0.0.14
Merge pull request #15 from ahmader/master

Handle API error and nodata
Merge branch 'master' of github.com:picatic/node-zoho
updated response spec to test error handling on XML errors
Release v0.0.15
updated grunt:release and providing a shrinkwrap.json from now on