add write boolean to util

src/main/base/org/bdware/sc/conn/ByteUtil.java

@@ -80,6 +80,14 @@ public class ByteUtil {
         }
     }
 
+    public static boolean readBoolean(ByteArrayInputStream bi) {
+        return bi.read() == 0x01;
+    }
+
+    public static void writeBoolean(ByteArrayOutputStream bo, boolean b) {
+        bo.write(b ? 0x01 : 0x00);
+    }
+
     public static byte[] readBytes(ByteArrayInputStream bi, int len) {
         byte[] ret = new byte[len];
         bi.read(ret, 0, len);