v0.54.0 — aliases in, job control out

A version-only release No code changes since v0.53.0 — the tree is identical. Cut deliberately, so that moshcode upgrade and npm both have a fresh version to move to. If you are coming from 0.51.0 or earlier, the two releases just behind this one are the ones that matter, and they are best read together. Your shell aliases work in the pit The pit runs what you type through $SHELL , and it used to…