Removed trim() from QRCode->getMatrix(). Data sanitization should be done outside.

tests/QRCodeTest.php

@@ -94,6 +94,13 @@ class QRCodeTest extends QRTestAbstract{
 		$this->qrcode->getMatrix('');
 	}
 
+  public function testTrim() {
+    $m1 = $this->qrcode->getMatrix('hello');
+    $m2 = $this->qrcode->getMatrix('hello '); // added space
+
+    $this->assertNotEquals($m1, $m2);
+  }
+
 	public function testImageTransparencyBGDefault(){
 		$this->qrcode = $this->reflection->newInstanceArgs([new QROptions(['imageTransparencyBG' => 'foo'])]);