clarify test parsing routine, bail early if we have no deviation from target
add comments to chunking routine
split doChunk method out into standalone, loses closure advantages but a bit neater
slightly improve SIGINT logging
move SIGINT handling to tail of file
update readme stats
make summary output a bit friendlier
improve correlation between containers and test runs
add simple buffer class to take care of main output
summarise which containers have finished on each line
Merge branch 'master' into node-from-source