docs(README.md): license badge

docs(README.md): packagist downloads badge

chat on freenode

license update

docs(README): connect to Fine Uploader gitter room

fix(endpoint-cors.php): regression that will cause issues w/ v2 signing

fix(endpoint.php): regression that will cause issues w/ v2 signing

feat(v4 signatures): handle raw canonical request for v4 REST signature

Update endpoint.php

feat(v4 signatures): CORS endpoint support for v4 sigs

feat(v4 signatures): start of v4 signature support for S3 endpoint example

getting started

Create README.md

fix path to vendor autoloader

fix path to vendor autoloader