Fix some more docstrings

lib/private/config.php

@@ -77,7 +77,7 @@ class Config {
 	/**
 	 * @brief Gets a value from config.php
 	 * @param string $key key
-	 * @param string|null $default = null default value
+	 * @param array|bool|string|null $default = null default value
 	 * @return string the value or $default
 	 *
 	 * This function gets the value from config.php. If it does not exist,

lib/private/template/base.php

@@ -61,7 +61,7 @@ class Base {
 	/**
 	 * @brief Assign variables
 	 * @param string $key key
-	 * @param string $value value
+	 * @param array|bool|integer|string $value value
 	 * @return bool
 	 *
 	 * This function assigns a variable. It can be accessed via $_[$key] in