much implementation, ready for first test

Sorting/CountingSorter.java

@@ -0,0 +1,14 @@
+package Sorting;
+
+public class CountingSorter extends Sorter{
+
+    public CountingSorter(String filename){
+        super("counting", filename);
+        System.out.println("This is stub code, to be removed");
+    }
+
+    void sort(){
+
+    }
+    
+}