Added a test for boolean globals 'True' and 'False'. 
Added a test for boolean globals 'True' and 'False'. 

Based on a bug report of John Lenz <lenz@cs.wisc.edu>

The bug is already fixed, this test ensures that it doesn't come back


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@8034 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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