- fixed 'I' command in normal mode not moving to exact start of line

- Added disown builtin
- Fixed job table not hanging up child processes on exit
- Added target architecture and os to --version output
- Added local builtin for creating variables scoped to functions

src/signal.rs

@@ -147,9 +147,7 @@ pub fn hang_up(_: libc::c_int) {
   SHOULD_QUIT.store(true, Ordering::SeqCst);
   QUIT_CODE.store(1, Ordering::SeqCst);
   write_jobs(|j| {
-    for job in j.jobs_mut().iter_mut().flatten() {
-      job.killpg(Signal::SIGTERM).ok();
-    }
+		j.hang_up();
   });
 }