Version 1.6
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commit 977b337e64e866bebd7dc1cdb7c492b8bdbc3e6a
Author: Tara L Andrews <tla@mit.edu>
Date:   Wed Apr 18 07:26:16 2012 -0700

    fix tests failing on stringification differences

Version 1.5
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commit 3da264c89146758385dd8fab5eab4655089ede43
Author: Tara L Andrews <tla\@mit.edu>
Date:   Wed Apr 18 11:23:54 2012 +0200

    remove redundant "my" declarations in test script

Version 1.4
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commit d4ff41412bd19be668ad44ea06f961c974603229
Author: Tara L Andrews <tla\@mit.edu>
Date:   Tue Apr 17 09:52:04 2012 +0200

    handle recursive text nodes in word wrapping

Version 1.3
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commit aab075af1ba3a65229c4f9b3355511d7c3391e10
Author: Tara L Andrews <tla\@mit.edu>
Date:   Sun Apr 15 20:25:14 2012 +0200

    Extend word_tag_wrap to take/modify an existing XML object; 
    add a couple of parse tags; 
    fix up docs and tests
