text: module.exports = function (client) {
  	if (!client) {
  		throw new Error("client not provided to redis")
  	}
  
  	function getNumber (number, cb) {
  		client.get(number, cb)
  	}
  
  	function increaseNumber (number, cb) {
  		client.incr(number, cb)
  	}
  
  	return {
  		getNumber: getNumber,
  		increaseNumber: increaseNumber
  	}
  }