edit: phpdoc stuff

add: pChart lib - no more usage of google api. There has to be the wp-content/cache writable for images
add: test-folder for later use
new: class agents, new isBot-functionality within this class, old function is deprecated, uses an ini-file with botnames

test/agents.php

@@ -0,0 +1,5 @@
+<?php
+require '../includes/class.agents.php';
+
+$oAgents = new Agents($_SERVER['HTTP_USER_AGENT']);
+?>