message: Fix Aliasing Support
diff: @@ -340,6 +340,7 @@ impl<'a> Shell<'a> {
  let new_args = ArgumentSplitter::new(alias).map(String::from)
  .chain(pipeline.jobs[job_no].args.drain().skip(1))
  .collect::<SmallVec<[String; 4]>>();
  + pipeline.jobs[job_no].command = new_args[0].clone().into();
  pipeline.jobs[job_no].args = new_args;
  }
  }
  