Fixed require web3 bug

Fixed error "Cannot find module './web3'" in autoprovider.js

lib/autoprovider.js

@@ -14,7 +14,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** @file websocket.js
+/** @file autoprovider.js
  * @authors:
  *   Marek Kotewicz <marek@ethdev.com>
  *   Marian Oancea <marian@ethdev.com>
@@ -28,7 +28,7 @@
  */
 if (process.env.NODE_ENV !== 'build') {
     var WebSocket = require('ws'); // jshint ignore:line
-    var web3 = require('./web3'); // jshint ignore:line
+    var web3 = require('./main.js'); // jshint ignore:line
 }
 
 var AutoProvider = function (userOptions) {

package.json

 {
   "name": "ethereum.js",
   "namespace": "ethereum",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "Ethereum Compatible JavaScript API",
   "main": "./index.js",
   "directories": {