Rename python-more.ipynb

Rename python-more.ipynb to more-python.ipynb (better tab completion and
matches the real title).

README.md

@@ -30,8 +30,9 @@ The top-level directory contains slides for the following lessons.
 1. [Welcome](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/welcome.ipynb)
 2. [Introduction to Python](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/python.ipynb)
 3. [Version control with Git](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/git.ipynb)
-4. [Working with NumPy arrays](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/numpy.ipynb)
-5. [Plotting with matplotlib](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/matplotlib.ipynb)
+4. [More Python Goodness](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/more-python.ipynb)
+5. [Working with NumPy arrays](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/numpy.ipynb)
+6. [Plotting with matplotlib](http://nbviewer.ipython.org/urls/raw.github.com/LUMC/programming-course/master/matplotlib.ipynb)
 
 Note: These links are to one-page renderings on [IPython Notebook Viewer](http://nbviewer.ipython.org/), see below how to get the real slideshows.