Merge branch 'release/0.1.2'
Merge pull request #16 from paypal/release/0.1.2

releasing 0.1.2
Merge pull request #19 from paypal/release/0.1.4

releasing 0.1.4
Merge pull request #46 from paypal/release/0.1.5

Release/0.1.5
Merge branch 'master' into develop