diff --git a/RpcClient.js b/RpcClient.js
index 80a1972..38df00f 100644
--- a/RpcClient.js
+++ b/RpcClient.js
@@ -123,17 +123,19 @@ function ClassSpec(b) {
     };
 
     for(var k in apiCalls) {
-      var spec = apiCalls[k].split(' ');
-      for (var i = 0; i < spec.length; i++) {
-        if(types[spec[i]]) {
-          spec[i] = types[spec[i]];
-        } else {
-          spec[i] = types.string;
+      if (apiCalls.hasOwnProperty(k)) {
+        var spec = apiCalls[k].split(' ');
+        for (var i = 0; i < spec.length; i++) {
+         if(types[spec[i]]) {
+           spec[i] = types[spec[i]];
+         } else {
+           spec[i] = types.string;
+         }
         }
-      };
-      var methodName = k.toLowerCase();
-      constructor.prototype[k] = createRPCMethod(methodName, spec);
-      constructor.prototype[methodName] = constructor.prototype[k];
+        var methodName = k.toLowerCase();
+        constructor.prototype[k] = createRPCMethod(methodName, spec);
+        constructor.prototype[methodName] = constructor.prototype[k];
+      }
     }
   }
 
diff --git a/WalletKey.js b/WalletKey.js
index 3f6c92e..e0e6aaa 100644
--- a/WalletKey.js
+++ b/WalletKey.js
@@ -8,6 +8,8 @@ function ClassSpec(b) {
   var Address = require('./Address').class();
 
   function WalletKey(cfg) {
+    if (!cfg) cfg = {};
+    if (!cfg.network) throw new Error('network parameter is required');
     this.network = cfg.network; // required
     this.created = cfg.created;
     this.privKey = cfg.privKey;
diff --git a/bitcore.js b/bitcore.js
index 2963c00..c557f44 100644
--- a/bitcore.js
+++ b/bitcore.js
@@ -17,13 +17,20 @@ module.exports.VersionedData = require('./util/VersionedData');
 module.exports.Address = require('./Address');
 module.exports.Opcode = require('./Opcode');
 module.exports.Script = require('./Script');
-module.exports.SINKey = require('./SINKey');
 module.exports.Transaction = require('./Transaction');
 module.exports.Peer = require('./Peer');
+module.exports.PeerManager = require('./PeerManager');
 module.exports.Block = require('./Block');
 module.exports.Connection = require('./Connection');
 module.exports.ScriptInterpreter = require('./ScriptInterpreter');
 module.exports.Bloom = require('./Bloom');
+module.exports.Key = require('./Key').Key;
+module.exports.SINKey = require('./SINKey');
+module.exports.SIN = require('./SIN');
+module.exports.PrivateKey = require('./PrivateKey');
+module.exports.RpcClient = require('./RpcClient');
+module.exports.Wallet = require('./Wallet');
+module.exports.WalletKey = require('./WalletKey');
 
 
 if (typeof process.versions === 'undefined') {
diff --git a/package.json b/package.json
index 7e6478b..aa98b89 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "scripts": {},
   "dependencies": {
-    "classtool": "=1.0.0",
+    "classtool": "git://github.com/bitpay/classtool.git",
     "base58-native": "=0.1.3",
     "bindings": "=1.1.1",
     "bufferput": "=0.1.1",
diff --git a/test/adapter.js b/test/adapter.js
index 80a63ce..312667b 100644
--- a/test/adapter.js
+++ b/test/adapter.js
@@ -16,8 +16,3 @@ if (typeof require === 'undefined') {
   
 }
 
-
-if (typeof module === 'undefined') {
-  var that = this;
-  that.module = bitcore.module;
-}
diff --git a/test/index.html b/test/index.html
index 2276744..810bfeb 100644
--- a/test/index.html
+++ b/test/index.html
@@ -15,20 +15,30 @@
     <script src="../browser/bundle.js"></script>
     <script src="adapter.js"></script>
 
-    <script src="test.main.js"></script>
-    <script src="test.base58.js"></script>
-    <script src="test.EncodedData.js"></script>
-    <script src="test.VersionedData.js"></script>
     <script src="test.Address.js"></script>
-    <script src="test.Opcode.js"></script>
-    <script src="test.Script.js"></script>
-    <script src="test.Transaction.js"></script>
-    <script src="test.Peer.js"></script>
     <script src="test.Block.js"></script>
-    <script src="test.Connection.js"></script>
-    <script src="test.ScriptInterpreter.js"></script>
     <script src="test.Bloom.js"></script>
+    <script src="test.Connection.js"></script>
+    <script src="test.EncodedData.js"></script>
+    <script src="test.main.js"></script>
     <script src="test.misc.js"></script>
+    <script src="test.Opcode.js"></script>
+    <script src="test.Peer.js"></script>
+    <script src="test.PeerManager.js"></script>
+    <script src="test.PrivateKey.js"></script>
+    <script src="test.RpcClient.js"></script>
+    <script src="test.Script.js"></script>
+    <script src="test.ScriptInterpreter.js"></script>
+    <script src="test.SIN.js"></script>
+    <script src="test.Transaction.js"></script>
+    <script src="test.VersionedData.js"></script>
+    <script src="test.Wallet.js"></script>
+    <!--
+    <script src="test.WalletKey.js"></script>
+    <script src="test.basic.js"></script>
+    <script src="test.SINKey.js"></script>
+    <script src="test.Key.js"></script>
+    -->
     <script>
       mocha.run();
     </script>
diff --git a/test/test.Key.js b/test/test.Key.js
new file mode 100644
index 0000000..a8d4982
--- /dev/null
+++ b/test/test.Key.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var Key = bitcore.Key;
+
+describe.skip('Key', function() {
+  it('should initialze the main object', function() {
+    should.exist(Key);
+  });
+  it('should be able to create instance', function() {
+    var k = new Key();
+    should.exist(k);
+  });
+});
+
+
+
+
+
diff --git a/test/test.PeerManager.js b/test/test.PeerManager.js
new file mode 100644
index 0000000..fc36379
--- /dev/null
+++ b/test/test.PeerManager.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var PeerManagerModule = bitcore.PeerManager;
+var PeerManager;
+
+describe('PeerManager', function() {
+  it('should initialze the main object', function() {
+    should.exist(PeerManagerModule);
+  });
+  it('should be able to create class', function() {
+    PeerManager = PeerManagerModule.class();
+    should.exist(PeerManager);
+  });
+  it('should be able to create instance', function() {
+    var pm = new PeerManager();
+    should.exist(pm);
+  });
+  it('should be able to start instance', function() {
+    var pm = new PeerManager();
+    pm.start.bind(pm).should.not.throw();
+  });
+  it('should be able to stop instance', function() {
+    var pm = new PeerManager();
+    pm.start();
+    pm.stop.bind(pm).should.not.throw();
+  });
+});
+
+
+
+
+
diff --git a/test/test.PrivateKey.js b/test/test.PrivateKey.js
new file mode 100644
index 0000000..b7ab9c3
--- /dev/null
+++ b/test/test.PrivateKey.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var PrivateKeyModule = bitcore.PrivateKey;
+var PrivateKey;
+
+describe('PrivateKey', function() {
+  it('should initialze the main object', function() {
+    should.exist(PrivateKeyModule);
+  });
+  it('should be able to create class', function() {
+    PrivateKey = PrivateKeyModule.class();
+    should.exist(PrivateKey);
+  });
+  it('should be able to create instance', function() {
+    var pk = new PrivateKey();
+    should.exist(pk);
+  });
+});
+
+
+
+
+
diff --git a/test/test.RpcClient.js b/test/test.RpcClient.js
new file mode 100644
index 0000000..cbc795a
--- /dev/null
+++ b/test/test.RpcClient.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var RpcClientModule = bitcore.RpcClient;
+var RpcClient;
+    RpcClient = RpcClientModule.class();
+
+describe('RpcClient', function() {
+  it('should initialze the main object', function() {
+    should.exist(RpcClientModule);
+  });
+  it('should be able to create class', function() {
+    should.exist(RpcClient);
+  });
+  it('should be able to create instance', function() {
+    var s = new RpcClient();
+    should.exist(s);
+  });
+});
+
+
+
+
+
diff --git a/test/test.SIN.js b/test/test.SIN.js
index 469c318..12c32fc 100644
--- a/test/test.SIN.js
+++ b/test/test.SIN.js
@@ -1,30 +1,28 @@
 'use strict';
 
-
-
 var chai = require('chai');
 var bitcore = require('../bitcore');
 
 var should = chai.should();
 
-var SINKeyModule = bitcore.SINKey;
-var SINKey;
+var SINModule = bitcore.SIN;
+var SIN;
 
-
-describe('SINKey', function() {
+describe('SIN', function() {
   it('should initialze the main object', function() {
-    should.exist(SINKeyModule);
+    should.exist(SINModule);
   });
   it('should be able to create class', function() {
-    SINKey = SINKeyModule.class();
-    should.exist(SINKey);
+    SIN = SINModule.class();
+    should.exist(SIN);
   });
   it('should be able to create instance', function() {
-    var sk = new SINKey();
-    sk.generate();
-    should.exist(sk.created);
-    should.exist(sk.privKey.private);
-    should.exist(sk.privKey.public);
-    should.exist(sk.privKey.compressed);
+    var s = new SIN();
+    should.exist(s);
   });
 });
+
+
+
+
+
diff --git a/test/test.SINKey.js b/test/test.SINKey.js
new file mode 100644
index 0000000..469c318
--- /dev/null
+++ b/test/test.SINKey.js
@@ -0,0 +1,30 @@
+'use strict';
+
+
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var SINKeyModule = bitcore.SINKey;
+var SINKey;
+
+
+describe('SINKey', function() {
+  it('should initialze the main object', function() {
+    should.exist(SINKeyModule);
+  });
+  it('should be able to create class', function() {
+    SINKey = SINKeyModule.class();
+    should.exist(SINKey);
+  });
+  it('should be able to create instance', function() {
+    var sk = new SINKey();
+    sk.generate();
+    should.exist(sk.created);
+    should.exist(sk.privKey.private);
+    should.exist(sk.privKey.public);
+    should.exist(sk.privKey.compressed);
+  });
+});
diff --git a/test/test.Wallet.js b/test/test.Wallet.js
new file mode 100644
index 0000000..906603e
--- /dev/null
+++ b/test/test.Wallet.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var WalletModule = bitcore.Wallet;
+var Wallet;
+
+describe('Wallet', function() {
+  it('should initialze the main object', function() {
+    should.exist(WalletModule);
+  });
+  it('should be able to create class', function() {
+    Wallet = WalletModule.class();
+    should.exist(Wallet);
+  });
+  it('should be able to create instance', function() {
+    var s = new Wallet();
+    should.exist(s);
+  });
+});
+
+
+
+
+
diff --git a/test/test.WalletKey.js b/test/test.WalletKey.js
new file mode 100644
index 0000000..9d127ec
--- /dev/null
+++ b/test/test.WalletKey.js
@@ -0,0 +1,31 @@
+'use strict';
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var WalletKeyModule = bitcore.WalletKey;
+var networks = bitcore.networks;
+var WalletKey;
+
+describe('WalletKey', function() {
+  it('should initialze the main object', function() {
+    should.exist(WalletKeyModule);
+  });
+  it('should be able to create class', function() {
+    WalletKey = WalletKeyModule.class();
+    should.exist(WalletKey);
+  });
+  it('should be able to create instance', function() {
+    var s = new WalletKey({
+      network: networks.livenet
+    });
+    should.exist(s);
+  });
+});
+
+
+
+
+