PyThreadState_GetDict() returns a dictionary that can be used to hold such
   state; the caller should pick a unique key and store its state there.  If
   PyThreadState_GetDict() returns NULL, an exception has been raised (most
   likely MemoryError) and the caller should pass on the exception. */

PyObject *
PyThreadState_GetDict()

The sections are now in a more useful order: the most recent changes
are listed first.

beta -- if there are bugs, I'll post a patch page and release 1.5.2
sooner.)

JPython interpreters.  This implementation may suck.

(py-jpython-command, py-jpython-command-args): New variables.

(py-mode-map): py-toggle-shells bound to C-c C-t

(py-toggle-shells): Command to toggle between using CPython (the
default) and JPython.  This is buffer local, and notice the mode-name
change.

(py-shell): Use either CPython or JPython.  Note that py-execute-*
still needs to be modified.

Also contains getuser(), which returns the username (not prompting though).
These work on Unix and Windows!

Consistently use ' instead of ":  this conforms to my unofficial stance that
constants should be presented using the repr() whenever it makes sense.  This
isn't because I think repr() is the greatest thing since spam, just that it's
an easy to adopt consistency standard.  (It also holds no new surprises!)