Update the library overview according to the latest changes to the CombinatoricsFactory class.

Author: dpaukov

src/main/java/org/paukov/combinatorics/cartesian/CartesianProductGenerator.java

@@ -17,17 +17,11 @@
  * Example. Generate 3-element Cartesian product from (1, 2, 3), (4, 5, 6), (7, 8, 9).
  *
  * <pre>
- * ICombinatoricsVector&lt;Integer&gt; set01 = createVector(new Integer[] { 1, 2, 3 });
- * ICombinatoricsVector&lt;Integer&gt; set02 = createVector(new Integer[] { 4, 5, 6 });
- * ICombinatoricsVector&lt;Integer&gt; set03 = createVector(new Integer[] { 7, 8, 9 });
- *
- * ICombinatoricsVector&lt;ICombinatoricsVector&lt;Integer&gt;&gt; initialVector = createVector();
- * initialVector.addValue(set01);
- * initialVector.addValue(set02);
- * initialVector.addValue(set03);
- *
- * Generator&lt;Integer&gt; cartesianProduct = new CartesianProductGenerator&lt;Integer&gt;(initialVector);
+ * ICombinatoricsVector&lt;Integer&gt; set01 = createVector(1, 2, 3);
+ * ICombinatoricsVector&lt;Integer&gt; set02 = createVector(4, 5, 6);
+ * ICombinatoricsVector&lt;Integer&gt; set03 = createVector(7, 8, 9);
  *
+ *  Generator&lt;Integer&gt; cartesianProduct = createCartesianProductGenerator(set01, set02, set03);
  * </pre>
  *
  * @param <T> Type of elements in the Cartesian product

src/main/javadoc/overview.html

@@ -501,12 +501,7 @@ <h3>9. Cartesian Product</h3>
  ICombinatoricsVector&lt;Integer&gt; set02 = CombinatoricsFactory.createVector(4, 5, 6);
  ICombinatoricsVector&lt;Integer&gt; set03 = CombinatoricsFactory.createVector(7, 8, 9);
 
- ICombinatoricsVector&lt;ICombinatoricsVector&lt;Integer&gt;&gt; initialVector = createVector();
- initialVector.addValue(set01);
- initialVector.addValue(set02);
- initialVector.addValue(set03);
-
- Generator&lt;Integer&gt; cartesianProduct = new CartesianProductGenerator&lt;Integer&gt;(initialVector);
+ Generator&lt;Integer&gt; cartesianProduct = CombinatoricsFactory.createCartesianProductGenerator(set01, set02, set03);
 </pre>
 </blockquote>