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 Development version
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This document describes in-flight development work.

Redesigned IPython notebook user interface
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.. add details

Other new features
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* **%install_ext**: A new magic function to install an IPython extension from
  a URL. E.g. ``%install_ext https://bitbucket.org/birkenfeld/ipython-physics/raw/d1310a2ab15d/physics.py``.