Merge pull request #16 from sharoonthomas/develop

Refactor manual gateway and add tests
Release version 3.2.0.2
Merge branch 'release/3.2.0.2' into develop
Fixed a bug in on_change of gateway
Merge pull request #17 from aroraumang/feature/misc

Fixed a bug in on_change of gateway
Added a shipping address function field to Transaction #4883
Merge pull request #18 from aroraumang/feature/task-4883

Added a shipping address function field to Transaction #4883
Release version 3.2.0.3
Merge branch 'release/3.2.0.3' into develop
Add a space after the name of gateway