ls'ing empty directory gives exception

[averagehat]

Welcome to the Ammonite Repl 0.5.2
(Scala 2.11.7 Java 1.8.0_60)
....
michael-foo@ %("ls", 'bar)
res5: Int = 0 

michael-foo@ ls! wd/'bar
java.lang.UnsupportedOperationException: empty.maxBy
        scala.collection.TraversableOnce$class.maxBy(TraversableOnce.scala:234)
        scala.collection.AbstractTraversable.maxBy(Traversable.scala:104)
        ammonite.repl.frontend.FrontEndUtils$.tabulate(FrontEndUtils.scala:17)
        ammonite.shell.PPrints$$anonfun$lsSeqRepr$1$$anonfun$apply$1.apply(ShellSession.scala:43)
        ammonite.shell.PPrints$$anonfun$lsSeqRepr$1$$anonfun$apply$1.apply(ShellSession.scala:43)
        scala.collection.Iterator$JoinIterator.rhs$lzycompute(Iterator.scala:192)
        scala.collection.Iterator$JoinIterator.rhs(Iterator.scala:192)
        scala.collection.Iterator$JoinIterator.hasNext(Iterator.scala:193)
        pprint.PPrinter$.strIter$1(PPrint.scala:241)
        pprint.PPrinter$.pprint$PPrinter$$takeFirstLines(PPrint.scala:258)
        pprint.PPrinter$$anon$4.render0(PPrint.scala:116)
        pprint.PPrinter$class.render(PPrint.scala:102)
        pprint.PPrinter$$anon$4.render(PPrint.scala:113)
        pprint.PPrint$$anon$3.render(PPrint.scala:62)
        ammonite.repl.frontend.DefaultReplAPI$Internal$.print(ReplAPI.scala:314)

[lihaoyi]

Oops, clearly a bug!

[cosmo-kramer]

This bug is fixed,I think it should be closed.

[lihaoyi]

Yes, fixed by #326. Thanks @CoderAbhishek!