Merge pull request esl#90 from esl/dave.85.upload.to.hex.pm.2

[esl#85] Updated src/escalus.app.src with description value

Allow to override start_connection

Merge pull request esl#87 from esl/improvements-for-amoc

Improvements for amoc

Merge pull request esl#79 from esl/fix-escaping-bug

Fix escaping bug

Merge pull request esl#50 from esl/escalus-users

Unify escalus_user_db behaviour

Merge pull request esl#40 from esl/fix-stream-features-for-stattls

read stream features after starttls or compresion

Use 17.0-compatible wsecli

Merge pull request esl#22 from legoscia/verify-stream-start-features

Verify stream start and stream features

Changes:

- XEP-0280: Message Carbons support
- poor man's currying for Escalus stories - this allows for using escalus_story with Proper

use erlang17 ready wsecli