+Scripts to do some statistics on a trivial flocking simulation.
+Drastically refaactored from an earlier version by Dan MacKinlay on 2012-09-12.
+* Consider calculating MI between *relative* axial positions or velocities of pairs of particles over time,
+ rather than branching histories, which also might work in the infinite-time limit.
+* Parallelise in something natural, such as redis or 0MQ, or ruffus.
+* store data in sqlite for ease of processing
+* store intermediate trials in sqlite too
+* calibrate pyentropy to work out why i get large positive information between deterministic variables.
+* refactor into topic-based modules