To Dos

• Revise/complete unit testing
• Bring back the code to generate movies
• Cleanup/organize examples/ and notebooks/ folders
• Explore Theano (http://www.deeplearning.net/software/theano/) to speed up Runge-Kutta
• Explore Numba (http://numba.pydata.org/) for speed up computation
• Explore PyOpenCL (http://mathema.tician.de/software/pyopencl/) for GPU version