Renaming Namespaces and Organizing Classes

- Updated OpenId classes to be in API namespace
- Updated PP Naming Convention to PayPal Naming Convention
- FormatConverter Class got its own namespace
- Handlers are grouped in Handler namespace
- Samples and Tests Updated Accordingly

sample/payment-experience/CreateWebProfile.php

@@ -51,7 +51,7 @@ $request = clone $webProfile;
 try {
     // Use this call to create a profile.
     $createProfileResponse = $webProfile->create($apiContext);
-} catch (\PayPal\Exception\PPConnectionException $ex) {
+} catch (\PayPal\Exception\PayPalConnectionException $ex) {
     ResultPrinter::printError("Created Web Profile", "Web Profile", null, $request, $ex);
     exit(1);
 }

sample/payment-experience/DeleteWebProfile.php

@@ -18,7 +18,7 @@ $webProfile->setId($createProfileResponse->getId());
 try {
     // Execute the delete method
     $webProfile->delete($apiContext);
-} catch (\PayPal\Exception\PPConnectionException $ex) {
+} catch (\PayPal\Exception\PayPalConnectionException $ex) {
     ResultPrinter::printError("Deleted Web Profile", "Web Profile", $createProfileResponse->getId(), null, $ex);
     exit(1);
 }

sample/payment-experience/GetWebProfile.php

@@ -14,7 +14,7 @@ $createProfileResponse = require 'CreateWebProfile.php';
 try {
     // If your request is successful, the API returns a web_profile object response that contains the profile details.
     $webProfile = \PayPal\Api\WebProfile::get($createProfileResponse->getId(), $apiContext);
-} catch (\PayPal\Exception\PPConnectionException $ex) {
+} catch (\PayPal\Exception\PayPalConnectionException $ex) {
     ResultPrinter::printError("Get Web Profile", "Web Profile", $webProfile->getId(), null, $ex);
     exit(1);
 }

sample/payment-experience/ListWebProfiles.php

@@ -10,7 +10,7 @@ $apiContext = require __DIR__ . '/../bootstrap.php';
 // (See bootstrap.php for more on `ApiContext`)
 try {
     $list = \PayPal\Api\WebProfile::get_list($apiContext);
-} catch (\PayPal\Exception\PPConnectionException $ex) {
+} catch (\PayPal\Exception\PayPalConnectionException $ex) {
     ResultPrinter::printError("Get List of All Web Profiles", "Web Profiles", null, null, $ex);
     exit(1);
 }