diff --git a/conf.example.json b/conf.example.json
index df4e6c0..7fc7e95 100644
--- a/conf.example.json
+++ b/conf.example.json
@@ -1,8 +1,8 @@
 {
-	"workers": 2,
+	"workers": 5,
 	"seedUrl": "http://stackoverflow.com/",
 	"database": {
-		"name": "web-crawler-stackoverflow",
+		"name": "web-crawler-so",
 		"rebuild": true
 	},
 	"jobs": [
@@ -11,4 +11,4 @@
 		{ "name": "driller", "domainRestriction": "stackoverflow.com" },
 		{ "name": "scheduler" }
 	]
-}
\ No newline at end of file
+}
diff --git a/webcrawler/agent.js b/webcrawler/agent.js
index a9e3882..431cf60 100755
--- a/webcrawler/agent.js
+++ b/webcrawler/agent.js
@@ -95,6 +95,8 @@ agent.init = function( options ) {
 agent.queue = function( url, data ) {
 	var self = this;
 	
+	console.log( url );
+
 	process.nextTick(function(){
 		var task = Url.parse( url );
 		if( data != undefined ) {
@@ -161,7 +163,12 @@ agent.followRedirect = function( res, task, callback ) {
 			}
 			else {
 				process.nextTick(function() {
-					agent.worker( task, callback );
+					try {
+						agent.worker( task, callback );
+					}
+					catch( e ) {
+						agent.onError({message: e.message}, task, callback);
+					}
 				});
 			}
 		}
@@ -176,8 +183,7 @@ agent.followRedirect = function( res, task, callback ) {
 }
 
 agent.onRequest = function( res, task, callback ) {
-	var self = this,
-		data = '';
+	var self = this;
 
 	if( this.followRedirect( res, task, callback ) ) {
 		return;
@@ -191,12 +197,16 @@ agent.onRequest = function( res, task, callback ) {
 	}
 
 	res.on('data', function (chunk) {
-		data += chunk;
+		if( this._data == undefined ) {
+			this._data = '';
+		}
+
+		this._data += chunk;
 	});
 
 	res.on('end', function() {
+		var data = this._data;
 		self.handleData( data, task, res, callback );
-		data = null;
 	});
 }
 
@@ -219,10 +229,6 @@ agent.handleData = function( data, task, res, callback ) {
 	}
 
 	async.series( chain, callback );
-
-	res = null;
-	chain = null;
-	data = null;
 }
 
 agent.getJobFunction = function( job, data, env ) {
diff --git a/webcrawler/job/driller.js b/webcrawler/job/driller.js
index 1ceec18..0b1c541 100755
--- a/webcrawler/job/driller.js
+++ b/webcrawler/job/driller.js
@@ -129,11 +129,17 @@ Driller.prototype.isValidUrl = function( url ) {
 	/**
 	 *	Ignore links like "mailto:" or "javascript:"
 	 */
+
+	 /*
 	var protocol = url.match( /^[\ ]*([a-zA-Z0-0]+):/ );
 	if( protocol && protocol[1].toLowerCase() != 'http' && protocol[1].toLowerCase() != 'https' ) {
 		return false;
 	}
+	*/
 
+	if( ! url.match( /^http[s]{0,1}:\/\//i ) ) {
+		return false;
+	}
 
 	if( this.options.domain && ! url.match( this.options.domain ) ) {
 		return false;