old_contents: module.exports = {
      host: process.env['WERCKER_RETHINKDB_HOST'] || 'localhost',
      port: process.env['WERCKER_RETHINKDB_PORT'] || 28015,
      authKey: '',
      buffer: 2,
      max: 5,
      fake_server: {
          host: process.env['WERCKER_RETHINKDB_HOST'] || 'localhost',
          port: process.env['WERCKER_RETHINKDB_PORT']+1 || 28016,
      },
      auto: false
  }
  
new_contents: module.exports = {
      host: process.env['WERCKER_RETHINKDB_HOST'] || 'localhost',
      port: parseInt(process.env['WERCKER_RETHINKDB_PORT']) || 28015,
      authKey: '',
      buffer: 2,
      max: 5,
      fake_server: {
          host: process.env['WERCKER_RETHINKDB_HOST'] || 'localhost',
          port: parseInt(process.env['WERCKER_RETHINKDB_PORT'])+1 || 28016,
      },
      auto: false
  }
  
subject: Add parseInt for Wercker ports