Named futures + replace NewConnection with Connection methods#1357

Merged

djc merged 5 commits intomainfrom named-futures

Sep 27, 2022

+351-440

Commits on Sep 18, 2022

Fix missing wakeups on large stream credit increase
Ralith
committed

Commits on Sep 21, 2022

Extract Notify handles from inside connection mutex
Ralith
committed

Commits on Sep 24, 2022