fix printing common exception

alib2common/src/exception/CommonException.cpp

@@ -51,7 +51,7 @@ const std::string & CommonException::getCommand ( ) const {
 }
 std::ostream & operator << ( std::ostream & os, const CommonException & data ) {
-	return os << data.what ( ) << data.getBacktrace ( ) << data.getCommand ( );
+	return os << data.what ( ) << std::endl << data.getBacktrace ( ) << std::endl << data.getCommand ( );
 }
 CommonException::operator std::string ( ) const {