add: module threads; read and write binary file supports

common/src/main/java/com/stardust/pio/PReadableBinaryFile.java

@@ -1,10 +1,17 @@
 package com.stardust.pio;
 
+import java.io.Closeable;
+import java.io.IOException;
+
 /**
  * Created by Stardust on 2017/4/6.
  */
 
-public class PReadableBinaryFile extends PFiles {
+public class PReadableBinaryFile implements Closeable {
 
 
+    @Override
+    public void close() throws IOException {
+
+    }
 }