DateTime::fromParts() is non-locale aware [Closes #248]

Author: dg

src/Utils/DateTime.php

@@ -74,7 +74,7 @@ public static function fromParts(
 		int $minute = 0,
 		float $second = 0.0
 	) {
-		$s = sprintf('%04d-%02d-%02d %02d:%02d:%02.5f', $year, $month, $day, $hour, $minute, $second);
+		$s = sprintf('%04d-%02d-%02d %02d:%02d:%02.5F', $year, $month, $day, $hour, $minute, $second);
 		if (
 			!checkdate($month, $day, $year)
 			|| $hour < 0