* Disable live-server tests by default
- They will always be run by our CI
- Also update and fix example in README.
* Update examples and add them to build
- Also drop support for GHC 8.2.2
* Bump up version for new release
- Add full examples for presignedGetObjectUrl and
presignedPutObjectUrl
- Lower-case `*URL` API functions to `*Url` to adopt a Haskell naming
convention
Finishes and fixes#35, #36 and #37.