added tests dir

updated logic in gcal-import.php

tests/test-icalparser.php

@@ -0,0 +1,16 @@
+<?php
+
+    echo "<ul>";
+		require_once __DIR__ . '/../vendor/autoload.php';
+		$cal = new \om\IcalParser();
+		$results = $cal->parseFile(
+			'https://calendar.google.com/calendar/ical/gruene.freising%40gmail.com/public/basic.ics'
+		);
+		foreach ($cal->getSortedEvents() as $r) {
+			echo sprintf('	<li>%s - %s</li>' . PHP_EOL, $r['DTSTART']->format('j.n.Y'), $r['SUMMARY']);
+		}
+    echo "</ul>";
+  
+?>
+
+