Try to use hiredis as default reply parser

lib/parser/hiredis.js

@@ -0,0 +1,35 @@
+var events = require("events"),
+    util = require("../util").util,
+    hiredis = require("hiredis");
+
+function HiredisReplyParser() {
+    this.reset();
+    events.EventEmitter.call(this);
+}
+
+util.inherits(HiredisReplyParser, events.EventEmitter);
+
+exports.Parser = HiredisReplyParser;
+exports.debug_mode = false;
+exports.type = "hiredis";
+
+HiredisReplyParser.prototype.reset = function() {
+    this.reader = new hiredis.Reader({ return_buffers: true });
+}
+
+HiredisReplyParser.prototype.execute = function(data) {
+    var reply;
+    this.reader.feed(data);
+    try {
+        while ((reply = this.reader.get()) !== undefined) {
+            if (reply && reply.constructor == Error) {
+                this.emit("reply error", reply);
+            } else {
+                this.emit("reply", reply);
+            }
+        }
+    } catch(err) {
+        this.emit("error", err);
+    }
+}
+