reorganize directory structure by adding lib/

package.json

@@ -2,7 +2,7 @@
   "name": "bitcoin",
   "description": "Communicate with bitcoind via JSON-RPC",
   "version": "1.6.2",
-  "main": "index.js",
+  "main": "lib/index.js",
   "keywords": [
     "bitcoin",
     "rpc"

test/missing-commands.js

@@ -1,7 +1,7 @@
 var assert = require('assert'),
     bitcoin = require('../'),
     config = require('./config'),
-    commands = require('../commands');
+    commands = require('../lib/commands');
     
 describe('Client Commands', function() {