cookutils log modules/deps

age author description
2017-06-20 Aleksej Bobylev Tiny edits.
2017-06-19 Paul Issott modules/deps (tiny edits)
2017-06-17 Aleksej Bobylev Add modules/deps: check package's dependencies; cook: make/update split.db and files.list; modules/compressor: use static (i.e. unbreakable) versions of pngquant and optipng.