Address: Return new instance if `this` isn't already instantiated.

lib/address.js

@@ -22,6 +22,10 @@ var Hash = require('./crypto/hash');
  */
 function Address(data, network, type) {
 
+  if (!(this instanceof Address)) {
+    return new Address(data, network, type);
+  }
+
   if (!data) {
     throw new TypeError('First argument is required, please include address data.');
   }
@@ -346,5 +350,4 @@ Address.prototype.inspect = function() {
   return '<Address: ' + this.toString() + ', type: '+this.type+', network: '+this.network+'>';
 }
 
-
 module.exports = Address;

test/address.js

@@ -195,6 +195,7 @@ describe('Address', function() {
     it('should make an address from a buffer', function() {
       var a = Address.fromBuffer(buf).toString().should.equal(str);
       var b = new Address(buf).toString().should.equal(str);
+      var c = Address(buf).toString().should.equal(str);
     });
 
     it('should make an address from a string', function() {