Add <p>, remove IPV6_LEN, return directly

Author: faktas2

src/main/java/com/maxmind/db/Networks.java

@@ -51,7 +51,7 @@ public final class Networks<T> implements Iterator<DatabaseRecord<T>> {
         this.reader = reader;
         this.includeAliasedNetworks = includeAliasedNetworks;
         this.buffer = reader.getBufferHolder().get();
-        this.nodes = new Stack<NetworkNode>();
+        this.nodes = new Stack<>();
         this.typeParameterClass = typeParameterClass;
         for (NetworkNode node : nodes) {
             this.nodes.push(node);
@@ -96,7 +96,7 @@ public DatabaseRecord<T> next() {
                 prefixLength -= 96;
             }
 
-            return new DatabaseRecord<T>(data, InetAddress.getByAddress(ip), prefixLength);
+            return new DatabaseRecord<T>(data, ipAddr, prefixLength);
         } catch (IOException e) {
             throw new NetworksIterationException(e);
         }

src/main/java/com/maxmind/db/NetworksIterationException.java

@@ -1,11 +1,14 @@
 package com.maxmind.db;
 
 /**
+ * <p>
  * This class represents an error encountered while iterating over the networks.
  * The most likely causes are corrupt data in the database, or a bug in the reader code.
- * 
+ * </p>
+ * <p> 
  * This exception extends RuntimeException because it is thrown by the iterator
  * methods in {@link Networks}.
+ * </p>
  * 
  * @see Networks
  */

src/main/java/com/maxmind/db/Reader.java

@@ -17,7 +17,6 @@
  */
 public final class Reader implements Closeable {
     private static final int IPV4_LEN = 4;
-    private static final int IPV6_LEN = 6;
     private static final int DATA_SECTION_SEPARATOR_SIZE = 16;
     private static final byte[] METADATA_START_MARKER = {(byte) 0xAB,
         (byte) 0xCD, (byte) 0xEF, 'M', 'a', 'x', 'M', 'i', 'n', 'd', '.',
@@ -323,17 +322,14 @@ public <T> Networks<T> networksWithin(
         int node = traverseResult[0];
         int prefix = traverseResult[1];
 
-        Networks<T> networks = new Networks<T>(this, includeAliasedNetworks,
+        return new Networks<T>(this, includeAliasedNetworks,
             new Networks.NetworkNode[]{new Networks.NetworkNode(ipBytes, prefix, node)},
                 typeParameterClass);
-
-        return networks;
     }
 
     /**
      * Returns the node number and the prefix for the network.
-     * @param ip The ip address to travese.
-     * @param node The number of the node.
+     * @param ip The ip address to traverse.
      * @param bitCount The prefix.
      * @return int[]
      */