decipherinc/angular-history — pull request #38 by bernhard-niedermayer (2014-04-23 14:31:14+00:00)
Title: [Bugfix] in the _do function

- a copy of the historic value must be assigned instead of the object itself
otherwise undoing or reverting to a historic step and starting with new edits
from there will have the effect that the historic value on the stack from
where we have restarted will always be changed the latest value.

- added test