 - Added in a couple more tests of the interior functions.  - Treebank tokenizing still needs a test; waiting on verification that the Treebank regexp is correct. 
 - Added in a couple more tests of the interior functions.
 - Treebank tokenizing still needs a test; waiting on verification that the Treebank regexp is correct. 


svn/trunk@3497

nltk/nltk,nltk/nltk,nltk/nltk