Apply diff2.txt from SF patch http://www.python.org/sf/572113

(with one small bugfix in bgen/bgen/scantools.py)

This replaces string module functions with string methods
for the stuff in the Tools directory. Several uses of
string.letters etc. are still remaining.

Tools/modulator/genmodule.py

@@ -20,7 +20,6 @@
 import sys
 import os
 import varsubst
-import string
 
 error = 'genmodule.error'
 
@@ -43,7 +42,7 @@ class writer:
         if not self._subst:
             if not self.__dict__.has_key('abbrev'):
                 self.abbrev = self.name
-            self.Abbrev = string.upper(self.abbrev[0])+self.abbrev[1:]
+            self.Abbrev = self.abbrev[0].upper()+self.abbrev[1:]
             subst = varsubst.Varsubst(self.__dict__)
             subst.useindent(1)
             self._subst = subst.subst