Cards that modify Duration cards should also remain in play

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What steps will reproduce the problem?
1. Play Throne Room
2. Choose to copy Wharf

What is the expected output? What do you see instead?
I expect the Throne Room and Wharf to both remain in play.  Instead, only the 
Wharf remains in play.

At the beginning of my next turn, I expect Wharf to be played twice.  This 
currently works correctly.

Please use labels and text to provide additional information.
The only cards that will cause this to happen are Throne Room and King's Court.

Original issue reported on code.google.com by August.D...@gmail.com on 7 Nov 2011 at 3:42

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Original comment by August.D...@gmail.com on 14 Nov 2011 at 2:56

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r198

Original comment by tkdenni...@gmail.com on 1 Jan 2012 at 7:09

• Changed state: Fixed