corrections, overall fixes for psr-2, revert what method name to dete…

…ct to `taskPid`, in `Kernel::await`

.gitattributes

@@ -3,8 +3,12 @@ examples          export-ignore
 /.gitattributes    export-ignore
 /.gitignore        export-ignore
 /.travis.yml       export-ignore
+/appveyor.yml       export-ignore
 /CHANGELOG.md      export-ignore
 README.md         export-ignore
+Parallel.md         export-ignore
+MCC15-04.pdf        export-ignore
+n4024.pdf        export-ignore
 /_config.yml       export-ignore
 /phpunit.xml.dist  export-ignore
 /favicon.ico	   export-ignore

Coroutine/AbstractCoroutine.php

@@ -1,18 +1,20 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Async\Coroutine;
 
 abstract class AbstractCoroutine
 {
     protected $value;
 
-    public function __construct($value) {
+    public function __construct($value)
+    {
         $this->value = $value;
     }
 
-    public function getValue() {
+    public function getValue()
+    {
         $value = $this->value;
         $this->value = null;
         return $value;

Coroutine/Channel.php

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Async\Coroutine;
 
@@ -19,38 +19,38 @@ class Channel
     protected $coroutine = null;
 
     private function __construct(TaskInterface $task, CoroutineInterface $coroutine)
-	{
+    {
         $this->task = $task;
         $this->coroutine = $coroutine;
     }
 
-	/**
-	 * Creates an Channel similar to Google's Go language
-	 *
-	 * @return object
-	 */
+    /**
+     * Creates an Channel similar to Google's Go language
+     *
+     * @return object
+     */
     public static function make(TaskInterface $task, CoroutineInterface $coroutine)
-	{
+    {
         return new self($task, $coroutine);
     }
 
     public function receiver(int $id)
-	{
+    {
         $this->targetTaskId = $id;
     }
 
     public function receiverId(): int
-	{
+    {
         return $this->targetTaskId;
     }
 
     public function senderTask(): TaskInterface
-	{
+    {
         return $this->task;
     }
 
     public function receive()
-	{
+    {
         $received = yield;
         yield Coroutine::value($received);
     }