Small fixes

Author: iMattPro

includes/qi.php

@@ -848,12 +848,12 @@ public static function get_backtrace()
 	 *
 	 * See http://www.php.net/manual/en/function.version-compare.php
 	 *
-	 * @param string $version1		First version number
-	 * @param string $version2		Second version number
-	 * @param string $operator		Comparison operator (optional)
+	 * @param string $version1 First version number
+	 * @param string $version2 Second version number
+	 * @param string $operator Comparison operator (optional)
 	 *
-	 * @return mixed					Boolean (true, false) if comparison operator is specified.
-	 *								Integer (-1, 0, 1) otherwise.
+	 * @return bool|int        Boolean (true, false) if comparison operator is specified.
+	 *                         Integer (-1, 0, 1) otherwise.
 	 */
 	public static function phpbb_version_compare($version1, $version2, $operator = null)
 	{

includes/qi_version_helper.php

@@ -336,7 +336,7 @@ class qi_file_downloader
 	 * @param int		$port			Port to connect to; default: 80
 	 * @param int		$timeout		Connection timeout in seconds; default: 6
 	 *
-	 * @return mixed File data as string if file can be read and there is no
+	 * @return false|string File data as string if file can be read and there is no
 	 *			timeout, false if there were errors or the connection timed out
 	 *
 	 * @throws RuntimeException() If data can't be retrieved and no error