Changing From one shapeshifter metatype to another removes the Critter Tab

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What steps will reproduce the problem?
1. Create a New Character, select any Shapeshifter metatype, and hit OK.
2. Select from the Special Menu, any other Shapeshifter metatype, hit OK.
3. There is no Critter tab shown with Critter Powers.

What is the expected output? What do you see instead?
There should be a Critter tab visible with the Critter powers appropriate for 
the new Shapeshifter Metatype.

What version of the product are you using? On what operating system?
Observed with Build 445, on both Windows 7 & Windows 8.

Please provide any additional information below.
This persists in saved characters, I've attached a sample file that was 
generated with this procedure that demonstrates the problem.

Original issue reported on code.google.com by jason.pe...@gmail.com on 15 Feb 2013 at 11:40

Attachments:

• [Test 1.chum](https://storage.googleapis.com/google-code-attachments/chummer/issue-13/comment-0/Test 1.chum)