Make private api private functions

lib/individualFunctions.js

@@ -0,0 +1,56 @@
+'use strict';
+
+var RedisClient = require('../').RedisClient;
+var debug = require('./debug');
+var utils = require('./utils');
+var noop = function () {};
+
+/********************************
+Additional individual exposed API
+********************************/
+
+RedisClient.prototype.duplicate = function (options) {
+    var existing_options = utils.clone(this.options);
+    options = utils.clone(options);
+    for (var elem in options) { // jshint ignore: line
+        existing_options[elem] = options[elem];
+    }
+    var client = new RedisClient(existing_options);
+    client.selected_db = this.selected_db;
+    return client;
+};
+
+RedisClient.prototype.unref = function () {
+    if (this.connected) {
+        debug("Unref'ing the socket connection");
+        this.stream.unref();
+    } else {
+        debug('Not connected yet, will unref later');
+        this.once('connect', function () {
+            this.unref();
+        });
+    }
+};
+
+RedisClient.prototype.end = function (flush) {
+    // Flush queue if wanted
+    if (flush) {
+        this.flush_and_error(new Error("The command can't be processed. The connection has already been closed."));
+    } else if (arguments.length === 0) {
+        this.warn(
+            'Using .end() without the flush parameter is deprecated and throws from v.3.0.0 on.\n' +
+            'Please check the doku (https://github.com/NodeRedis/node_redis) and explictly use flush.'
+        );
+    }
+    // Clear retry_timer
+    if (this.retry_timer) {
+        clearTimeout(this.retry_timer);
+        this.retry_timer = null;
+    }
+    this.stream.removeAllListeners();
+    this.stream.on('error', noop);
+    this.connected = false;
+    this.ready = false;
+    this.closing = true;
+    return this.stream.destroySoon();
+};