The builtin map is now a static struct of arrays

src/builtins/mod.rs

src/main.rs

src/shell/assignments.rs

src/shell/binary.rs

src/shell/flow.rs

src/shell/history.rs

src/shell/library.rs

src/shell/mod.rs

src/shell/pipe_exec/job_control.rs

src/shell/pipe_exec/mod.rs

src/sys/redox.rs

src/sys/unix/job_control.rs

src/sys/unix/mod.rs

src/sys/unix/signals.rs