Update readme with added examples (sendwithus#66)

* Update readme with added examples

* Fix tests

Merge pull request sendwithus#64 from sendwithus/increment-version-no

Increment version for new locale parameter in render call

Bump version

Bump version

Merge pull request sendwithus#55 from sendwithus/remove-editors-from-…

…gitignore

Remove editor specific files from .gitignore

Merge pull request sendwithus#45 from sendwithus/cleanup/remove-unuse…

…d-endpoints

Remove unused Drip Campaign endpoints

Update version number

Merge pull request sendwithus#41 from sendwithus/strict-render-support

Added support for strict flag on render endpoint