Improved email lookups

See #246

Download hash verification

Changes

• Verify hashes when downloading #242
• Faster SDK file downloading #244
• Display hash in long listing of a project contents #245

Fix S3 empty file upload

Fix for DukeDS s3 backend to upload empty files: #238
pyyaml 5.1 upgrade: #235

S3 Backend fix and Delivery share users fix

See PRs #230 #233

Support for S3 DukeDS Backend

See #227

Fix CircleCI deployment, API for get single affiliate

Includes changes to the source repo to fix the automated deployment to helmod
Adds a get_auth_provider_affiliate (singular) method in DDSApi

requests 2.20.0, Query auth_provider_affiliates by email/username

• Updates version of requests to > 2.20.0
• Adds email and username options to get_auth_provider_affiliates API

Fix partial download retry logic

See #214

Faster User Lookup

Faster user lookup using new searching features of DukeDS API.
PR #210

Deliver copy flag changes

Removed --skip-copy flag from deliver command and added --copy flag. This changes the default behavior for deliver. Deliver will now deliver the specified project by default. Users can deliver a copy by using the --copy flag.
Also fixes a bug where the url to open a newly uploaded project went to an invalid url (404).