rake html: "Render the specification locally"
RSpecRenderer exception: print offending text; dont keep empty result
spec: a bit more readable; removed commutative variants
remove old main binary; gem needs docopt
Moved the counting tools to counting/
removed the original prototype, it is unsafe
moved to lib/zombie_killer/*
split off lib/zombie_killer/node_type_counter
split up into lib/zombie_killer/{killer,rewriter}
Blocks are too complex for now.
const is safe for now, because we never consider them nice

once we start handling casgn we need to watch out for V=nil