Merge pull request #62 from chirag7jain/downgrade_dependency_version

downgraded dependency version
fix incorrect spelling of occurred
Merge pull request #67 from scottbartell/master

fix incorrect spelling of occurred
added dev dependency for rake so I can run specs
spec to confirm we are getting a transit time
trying to get transit time
added transit time to rate request
parsing transit time into options for Rate Class
removing debug code
add shipment delete

check for the FedEx specific error.
add docs for delete
Remove comment
Merge branch 'dnajd-master'
Merge branch 'add_delete_shipment' of https://github.com/Vermonster/fedex into Vermonster-add_delete_shipment
Whitespace
Merge branch 'Vermonster-add_delete_shipment'
Merge remote-tracking branch 'upstream/master'