Removed remaining usage of deprecated function

Author: GrahamCampbell

src/Each.php

@@ -78,7 +78,7 @@ public static function ofLimitAll(
         $concurrency,
         callable $onFulfilled = null
     ) {
-        return each_limit(
+        return self::ofLimit(
             $iterable,
             $concurrency,
             $onFulfilled,

src/Utils.php

@@ -107,7 +107,7 @@ public static function inspectAll($promises)
     {
         $results = [];
         foreach ($promises as $key => $promise) {
-            $results[$key] = inspect($promise);
+            $results[$key] = self::inspect($promise);
         }
 
         return $results;

tests/UtilsTest.php

@@ -239,7 +239,7 @@ public function testReturnsTrampoline()
     public function testCanScheduleThunk()
     {
         $tramp = P\Utils::queue();
-        $promise = P\task(function () { return 'Hi!'; });
+        $promise = P\Utils::task(function () { return 'Hi!'; });
         $c = null;
         $promise->then(function ($v) use (&$c) { $c = $v; });
         $this->assertNull($c);
@@ -250,7 +250,7 @@ public function testCanScheduleThunk()
     public function testCanScheduleThunkWithRejection()
     {
         $tramp = P\Utils::queue();
-        $promise = P\task(function () { throw new \Exception('Hi!'); });
+        $promise = P\Utils::task(function () { throw new \Exception('Hi!'); });
         $c = null;
         $promise->otherwise(function ($v) use (&$c) { $c = $v; });
         $this->assertNull($c);
@@ -261,7 +261,7 @@ public function testCanScheduleThunkWithRejection()
     public function testCanScheduleThunkWithWait()
     {
         $tramp = P\Utils::queue();
-        $promise = P\task(function () { return 'a'; });
+        $promise = P\Utils::task(function () { return 'a'; });
         $this->assertSame('a', $promise->wait());
         $tramp->run();
     }