/*
 * Simple Middleware to set a variable in request.
**/
module.exports = function(request, response, next) {
    /*
     * Do something to REQUEST or RESPONSE
    **/
    
    if (!request.didSomething) {
        request.didSomething = true;
        next();
    } else {
        // Something went wrong, throw and error
        var error = new Error();
        error.message = 'Error doing what this does'
        next(error);        
    }
};