Use proxy for Delta when available

Cleanup deps and marketing

Merge pull request #10 from rchowe/main

Merge pull request #9 from baptistelaget/main

Add support for qualifyingmiles.com calculation.

fix: remove extraneous email address in AC PNR display

Merge pull request #7 from kberzinch/main

Update some United types

Don't reboot repeatedly

Logging for United errors.

Try Go 1.19 on Heroku.

Handle null responses safely.

United seems to have removed remarks.

Restart when we have too many failed PNR requests.

Timeout on UA requests.