runtime/src/main/java/org/echocat/jomon/runtime/StringUtils.java
public static void toLowerCase(char[] chars) {
        for (int a = 0; a < chars.length; a++) {
            chars[a] = Character.toLowerCase(chars[a]);
        }
    }
public static void toLowerCase(char[] chars) {
        for (int a = 0; a < chars.length; a++) {
            chars[a] = Character.toLowerCase(chars[a]);
        }
    }
Convert a string to lower case. (Faster than String.toLowerCase)