add pattern using port to readme

Author: snd

Diff for: README.md

@@ -76,7 +76,7 @@ bower install url-pattern
 null
 ```
 ``` javascript
-> var pattern = new UrlPattern('(http(s)\\://)(:subdomain.):domain.:tld(/*)')
+> var pattern = new UrlPattern('(http(s)\\://)(:subdomain.):domain.:tld(\\::port)(/*)')
 
 > pattern.match('google.de');
 {domain: 'google', tld: 'de'}
@@ -87,6 +87,9 @@ null
 > pattern.match('http://mail.google.com/mail');
 {subdomain: 'mail', domain: 'google', tld: 'com', _: 'mail'}
 
+> pattern.match('http://mail.google.com:80/mail');
+{subdomain: 'mail', domain: 'google', tld: 'com', port: '80', _: 'mail'}
+
 > pattern.match('google');
 null
 ```

Diff for: test/readme.coffee

@@ -15,7 +15,7 @@ test 'api versioning', (t) ->
   t.end()
 
 test 'domain', (t) ->
-  pattern = new UrlPattern('(http(s)\\://)(:subdomain.):domain.:tld(/*)')
+  pattern = new UrlPattern('(http(s)\\://)(:subdomain.):domain.:tld(\\::port)(/*)')
   t.deepEqual pattern.match('google.de'),
     domain: 'google'
     tld: 'de'
@@ -28,6 +28,12 @@ test 'domain', (t) ->
     domain: 'google'
     tld: 'com'
     _: 'mail'
+  t.deepEqual pattern.match('http://mail.google.com:80/mail'),
+    subdomain: 'mail'
+    domain: 'google'
+    tld: 'com'
+    port: '80'
+    _: 'mail'
   t.equal pattern.match('google'), null
 
   t.deepEqual pattern.match('www.google.com'),