KMIPServer serve log exceptions

The Exception handler discards all errors, would be nice to log them
to the error logger before closing the connection.

kmip/services/kmip_server.py

@@ -69,7 +69,8 @@ class KMIPServer(object):
             try:
                 while True:
                     self._processor.process(protocol, protocol)
-            except Exception:
+            except Exception as e:
+                self.logger.error('KMIPServer {0} {1}'.format(type(e),e))
                 connection.close()
 
     def _set_variables(self, host, port, keyfile, certfile, cert_reqs,