This is where the CancerSim code and docs live.

Code is in code directory
Docs in docs

Example code usage in test_sim.py

TODO:
    Clean up documentation
    Try to speed up code through caching.
    
WISHLIST:
    Fix the plotting routine to show cell radii
    Fix the errant cell links across domain
    Cache links (done ?)
    cache KDTree ?
    Play with potentials