fix: usage of Logger

src/Encoder.php

@@ -2,6 +2,7 @@
 
 namespace PhpXmlRpc;
 
+use PhpXmlRpc\Helper\Logger;
 use PhpXmlRpc\Helper\XMLParser;
 
 /**

src/Server.php

@@ -2,8 +2,9 @@
 
 namespace PhpXmlRpc;
 
-use PhpXmlRpc\Helper\XMLParser;
+use PhpXmlRpc\Helper\Logger;
 use PhpXmlRpc\Helper\Charset;
+use PhpXmlRpc\Helper\XMLParser;
 
 /**
  * Allows effortless implementation of XML-RPC servers

src/Value.php

@@ -3,6 +3,7 @@
 namespace PhpXmlRpc;
 
 use PhpXmlRpc\Helper\Charset;
+use PhpXmlRpc\Helper\Logger;
 
 /**
  * This class enables the creation of values for XML-RPC, by encapsulating plain php values.

src/Wrapper.php

@@ -7,6 +7,8 @@
 
 namespace PhpXmlRpc;
 
+use PhpXmlRpc\Helper\Logger;
+
 /**
  * PHP-XMLRPC "wrapper" class - generate stubs to transparently access xmlrpc methods as php functions and vice-versa.
  * Note: this class implements the PROXY pattern, but it is not named so to avoid confusion with http proxies.