Added filter for TRANSACTIONQUERY request

lib/Fragment/Filter.php

+<?php
+/**
+ *	PHP based wrapper for SecureTrading's new STPP protocol.
+ *	
+ *	This is the object that represents a filter.
+ *
+ *	
+ *	@version: 2.0.0
+ *	@author: Tomek J
+ */
+
+
+namespace OUTRAGElib\Payment\STPP\Fragment;
+
+
+class Filter extends FragmentAbstract
+{
+	
+	public function setOrderreference($val)
+	{
+		$this->options["orderreference"] = $val;
+		return $this;
+	}
+	
+
+	public function setParenttransactionreference($val)
+	{
+		$this->options["parenttransactionreference"] = $val;
+		return $this;
+	}
+
+	public function setRequesttypedescription($val)
+	{
+		$this->options["requesttypedescription"] = $val;
+		return $this;
+	}
+	
+
+	public function setTransactionreference($val)
+	{
+		$this->options["transactionreference"] = $val;
+		return $this;
+	}
+	
+}
\ No newline at end of file