NicolasPetton/amber — pull request #231 by mkroehnert (2012-07-28 15:25:19+00:00)
Title: Fix Issue 157 (add Collection>>printString)

This pull request fixes #157.

It moves the printString method from e.g. Set up into the Collection superclass and fixes HashedCollection>>printString to produce the same output as before.

Additionally some more tests are added.