Refactored core/Client.php and Added support of /v1.0/suggestions method (#20)

* 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

* Refeactored core/Client.php
- All public methods now uses guzzle
- Added ability to parse json responses
- auth and base_url now handled by guzzle
- Added methods PHPDoc

* Added support of /v1.0/suggestions method

Author: pashamesh

.gitignore

@@ -3,4 +3,5 @@ vendor/
 selftests/
 config.php
 /bin
-composer.lock
+composer.lock
+.idea/