Changes of memory-heavy implementations added

src/main/kotlin/be/nielandt/CrossSolverUpgradedSkip.kt

@@ -1,6 +1,5 @@
 package be.nielandt
 
-import be.nielandt.counter.CounterBuffer
 import be.nielandt.counter.CounterSkip
 
 /**

src/main/kotlin/be/nielandt/iterator/ValidMoveIterator.kt

@@ -0,0 +1,13 @@
+package be.nielandt.iterator
+
+class ValidMoveIterator: Iterator<Array<Int>> {
+
+    override fun hasNext(): Boolean {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun next(): Array<Int> {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+}