Make Image::lazy take a coo rather than two ints
Ignore log files in git
Better fill algorithm
Get rid of putpoint_safe
E1 and E2 are rather useless after all
Get rid of dt in putpoint, the clock is efficient enough
Smoother look for tessel()
Newer style rotor-router
Define a few useful colors
Use pragma once rather than include guards
Exclusion in Percolation