add README

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+#+TITLE: IPF XML-RPC
+
+XML-RPC engine extracted from IPF web framework
+
+* Example
+
+  #+BEGIN_SRC php
+  function Api_Views_Handler($request, $match)
+  {
+      $server = new IPF_XmlRpc_Server();
+
+      $server->addFunction('getCustomers');
+      $server->addFunction('getProducts');
+
+      return new IPF_Http_Response($server->handle());
+  }
+
+  function getCustomers()
+  {
+      return IPF_ORM_Manager::connection()->fetchAll('select * from customer');
+  }
+
+  function getProducts($parameters)
+  {
+      $customer = (int)$parameters['customer'];
+      $query = 'select * from product';
+      if ($customer)
+          $query .= ' where customer_id = ' . $customer;
+      return IPF_ORM_Manager::connection()->fetchAll($query);
+  }
+  #+END_SRC
+