WIP interactive WebCore shell.
Completed the ipython and bpython shell integration. (related to #101)
Merge branch 'rewrite' into feature/shell
Merge remote-tracking branch 'origin/rewrite' into feature/shell
Updated exception messages and added note.
Changes required to support advanced testing on Python 2.6.
The environment variables are passed as local variables in both bpython and ipython (related to #101)
Updated to use !obj notation for the root path.
Merge branch 'feature/shell' into rewrite

Conflicts:
	setup.py