Made ipcluster not use security by default. We need to revist this as ipcluster will eventually need security. But for now this should be fine as ipcluster only really works for starting things on localhost.

Added Nose support for IPython doctests and extension modules.

More testing cleanup...

Testing cleanup of old/conflicting stuff.

Refactor of platutils for cleanup. Reduces duplication of common functionality, os-specific modules only implement their own routines and the common code is provided by the top-level public module.

Make sure that if synchronization is with .pyc file the corresponding .py file is used for the synchronization.

Update docs about emacs configuration to use pylab.

Update docs for ipython.el. - Add mention of how to configure pylab use, after a question by David Strozzi <david.strozzi-AT-gmail.com> on the list. - Update mention of %debug in addition to %pdb for post-mortem debugging.

SList.sort() - remove an accidental debug print

sort() returns SList (obviously), %cpaste foo assigns the pasted block to foo as string list