a) make the clean up code work on Win/Me b) pick a new version of bkshellx, which has option caching support     (to speed up Win/Me)
a) make the clean up code work on Win/Me
b) pick a new version of bkshellx, which has option caching support 
   (to speed up Win/Me)

bk: 4061d580jikOVha54XvDVVkH-JfT9g
bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper