Added timestamp to debug traces (#1426)

* Added timestamp to debug traces

* Make it compatible with node 0.10 and 0.12

Author: ethervoid

lib/debug.js

@@ -4,7 +4,9 @@ var index = require('../');
 
 function debug () {
     if (index.debug_mode) {
-        console.error.apply(null, arguments);
+        var data = Array.prototype.slice.call(arguments);
+        data.unshift(new Date().toISOString());
+        console.error.apply(null, data);
     }
 }
 

test/commands/blpop.spec.js

@@ -31,7 +31,7 @@ describe("The 'blpop' method", function () {
                 });
                 client.rpush('blocking list', 'initial value', helper.isNumber(1));
                 unhookIntercept();
-                assert(/^Send 127\.0\.0\.1:6379 id [0-9]+: \*3\r\n\$5\r\nrpush\r\n\$13\r\nblocking list\r\n\$13\r\ninitial value\r\n\n$/.test(text));
+                assert(/Send 127\.0\.0\.1:6379 id [0-9]+: \*3\r\n\$5\r\nrpush\r\n\$13\r\nblocking list\r\n\$13\r\ninitial value\r\n\n$/.test(text));
                 redis.debug_mode = false;
                 bclient.blpop('blocking list', 0, function (err, value) {
                     assert.strictEqual(value[0], 'blocking list');