Better code..
On branch unstable
Changes to be committed:
modified:   Readme.md
modified:   lib/herod.js
modified:   test/mixed-test.js
Added genocide call in 'exit' listener, it is useful to kill all child processeswhen process.exit() was called directly, instead of Herod methods.
On branch unstable
Changes to be committed:
modified:   lib/herod.js
modified:   test/mixed-test.js
Added version 0.4.0.
Better API, better code, better mixed test.
On branch unstable
Changes to be committed:
modified:   Readme.md
modified:   package.json
Merge branch 'unstable'