Handle windows file names in the S3RenameUpload. Fixes aws#16

Made small changes to docs, added module version number, and prepped …

…for tag.

Updated CHANGELOG for v1.1.0

Fixed trailing comma in composer.json

Added support for regional and path-style buckets to the S3 helper an…

…d made some small content changes to README, CHANGELOG, and docs

One more README tweak

Added unit tests and fixed an issue with the module