executables: add `--help` flag. hacker.js: change scheduling logic. refactor. kill.js: allow handling more than one server or script at a time. cyclic_weaken.js: add. README.md: update.

Created by  jesse <nicoty@tuta.io>  on May 12, 2020
SXEJJKPIZE6AFCHQ32SROLWQUP733MRJZXNAR7OR37VVSRJIFFJQC
Dependencies
In channels
main
Change contents