Bug Fixes
---------

* Revert "Stop treating ReadyForQuery as a universal result indicator"
  to fix stability regression.
  (by @elprans in 04b67480)

* Correctly ignore all incoming messages after the Terminate message
  (by @elprans in 787317fb)

* Properly cleanup connections closed by remote
  (by @elprans in 4393a159 for #385)