add Address parameter test

test/message.js

@@ -5,6 +5,7 @@ var expect = chai.expect;
 var should = chai.should();
 
 var bitcore = require('bitcore');
+var Address = bitcore.Address;
 var Signature = bitcore.crypto.Signature;
 var Message = require('../');
 
@@ -146,5 +147,10 @@ describe('Message', function() {
   });
 
 
+  it('accepts Address for verification', function() {
+    var verified = Message(text)
+      .verify(new Address(address), signatureString);
+    verified.should.equal(true);
+  });
 
 });