Merge branch 'stable'
Update configuration
Update README.md [ci skip]
Merge pull request #7 from paypal/update-readme

Update configuration
Added support for coveralls
Fixed TC for Sale
Added support for coveralls
added reauthorize funtionality, added sample and testcase for reauthorization
Fix indent
Merge pull request #10 from paypal/dev-reauth

added reauthorize funtionality, added sample and testcase for reauthorization
Merge pull request #9 from prannamalai/master

Added support for coveralls, updated travis config
updated changelog and version for Reauthorization functionality
Merge pull request #11 from paypal/rel-reauth

Reauthorization release