cakefile for epub

Cakefile

task 'epub', ->
  exec 'pandoc -S --epub-stylesheet style.css -o output/nodebook.epub ' +
    'chapters/prologue.md ' +
    'chapters/overview.md ' +
    'chapters/history.md ' +
    'chapters/installation.md ' +
    'chapters/gettingstarted.md ' +
    'chapters/tcpchat.md ' +
    'chapters/twitter.md ' +
    'chapters/npm.md ' +
    'chapters/express.md ' +
    'chapters/socketio.md ' +
    'chapters/simplechat.md ' +
    'chapters/debugging.md ' +
    'chapters/unittest.md ' +
    'chapters/deploy.md ' +
    'chapters/appendix.md', (err) ->
      throw err if err