v3.0.3

• #64
  #67
  #71 Fix crash on
  Node >= 10 where it says that cwd is not a string.
• #55
  #36 Exit with the
  first failing child's code, also with -w and when a child is killed by a
  signal (#68,
  @hagaigold).
• Fix crash on Ctrl+C with Node >= 20: children are stopped and parallelshell
  dies by SIGINT, including during start-up.
• #39 Forward
  SIGTERM and SIGHUP to children.
• #74 Run commands
  through Node's shell option, fixing spawn cmd ENOENT and double-quoted
  commands on Windows.
• Windows: stop a child's whole process tree, and exit with the Ctrl+C status
  on Ctrl+C.
  (@darkguy2008)