Initial commit
Added comment for the test of ExecutePayment as it requires
manual actions
Minor cleanup
Added badges for test coverage and godoc
Consolidated tests into separated files and fixed token check
Removed debug code
Added sale endpoints and refactored tests
Added refund endpoints and refactored tests
Added Authorization and Capture endpoints
Added usage example and additional information to README
Merge pull request #1 from fundary/develop

[WIP] Paypal REST API client