added more sys utils

Dorkbox-Util/src/dorkbox/util/Sys.java

@@ -414,6 +414,19 @@ class Sys {
         return bytes;
     }
 
+    public static
+    byte[] charToBytesRaw(char[] chars) {
+        int length = chars.length;
+        byte[] bytes = new byte[length];
+
+        for (int i = 0; i < length; i++) {
+            char charValue = chars[i];
+            bytes[i] = (byte) charValue;
+        }
+
+        return bytes;
+    }
+
     public static
     int[] bytesToInts(byte[] bytes) {
         int length = bytes.length;