Added 'CallingName' field to the Sippeer class (#19)

* Fixed space chars

* Fixed README.md Install section

* Added support of acoount TnOptions orders

* Fixed OrderId register

* Added TnOptions and MessagingSettings to tndetails response

* Added missing 'Site' and 'SipPeer' for TN model

which are received on 'tndetails' request

* Added CallbackSubscription simple model

* Added Callback Subscription details from response

* Added totalTns method

Added totalTns method which allows to get total telephone numbers qty using getList method result info

* Added 'CallingName' field to the Sippeer class

Author: pashamesh

src/Sippeers.php

@@ -56,7 +56,8 @@ class Sippeer extends RestEntry {
         "VoiceHosts" => array("type" => "Iris\Hosts"),
         "VoiceHostGroups" => array("type" => "string"),
         "SmsHosts" => array("type" => "Iris\Hosts"),
-        "TerminationHosts" => array("type" => "Iris\Hosts")
+        "TerminationHosts" => array("type" => "Iris\Hosts"),
+        "CallingName" => array("type" => "string")
     );
 
     public function __construct($parent, $data) {