Änderungen

Summary

1. add group.getRandomUnit() and tests (details)
2. revert workaround (details)

Commit 5bf2230bb23ba8adae56fd1d22b88998b1b53e58 by frotty add group.getRandomUnit() and tests
	wurst/_handles/Group.wurst (diff)
	wurst/_handles/GroupTests.wurst (diff)
Commit 3cb222073161e8bc9893c20f0483ee92b933ba6c by frotty revert workaround
	wurst/closures/Execute.wurst (diff)