Release of v4.1.1-alpha1

Move all banners to GitHub. Adds library phpspreadsheet to JCB. Add import item example to demo component. Updates the Superpower class with the GetRemote class in the plugin. Ensures the super power autoloader triggers the correct repositories.

libraries/phpspreadsheet/vendor/maennchen/zipstream-php/test/TimeTest.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZipStream\Test;
+
+use DateTimeImmutable;
+use PHPUnit\Framework\TestCase;
+use ZipStream\Exception\DosTimeOverflowException;
+use ZipStream\Time;
+
+class TimeTest extends TestCase
+{
+    public function testNormalDateToDosTime(): void
+    {
+        $this->assertSame(
+            Time::dateTimeToDosTime(new DateTimeImmutable('2014-11-17T17:46:08Z')),
+            1165069764
+        );
+
+        // January 1 1980 - DOS Epoch.
+        $this->assertSame(
+            Time::dateTimeToDosTime(new DateTimeImmutable('1980-01-01T00:00:00+00:00')),
+            2162688
+        );
+    }
+
+    public function testTooEarlyDateToDosTime(): void
+    {
+        $this->expectException(DosTimeOverflowException::class);
+
+        // January 1 1980 is the minimum DOS Epoch.
+        Time::dateTimeToDosTime(new DateTimeImmutable('1970-01-01T00:00:00+00:00'));
+    }
+}