old_contents: #!/usr/bin/env node
  var program = require('commander'),
      pkg     = require('../package.json'),
      version = pkg.version;
  
  require('colors');
  
  program
      .version(version)
      .command('commit', 'execute a turbo commit')
      .command('log', 'show turbo log')
      .command('add', 'add files to commit')
      .parse(process.argv);
  
new_contents: #!/usr/bin/env node
  var program = require('commander'),
      pkg     = require('../package.json'),
      version = pkg.version;
  
  program
      .version(version)
      .command('commit', 'execute a turbo commit')
      .command('log', 'show turbo log')
      .command('add', 'add files to commit')
      .parse(process.argv);
  
subject: remove unnecessary require