Specifically just the chunked / streamed upload part

Tidy up property names
Experiment with adding comments to methods
Experiment with moving AWS doc links into a method property

Update plugin template

Will probably put this in a plugin lib shortly

…uest()` hook

Add links to docs in errors

Add simple progress indication when debugging HTTP streaming

Include response headers in error output (where available)
Add plugin helper utils section to readme

Fix tests borken by previous changes
Update readme

Move common `@aws-lite/s3` code into a lib file

…to strings

Override aws4 default by using `application/octet-stream` as default `content-type`
Empty API response bodies are now returned as `null` payloads
Detect and stringify XML response bodies
Add response debug output

Add additional information about passing readable streams as payload

Fix `response()` payload marshalling property bug
Ensure `request()` is indeed optional

Dry up some common code in the other methods