static void setLevel(String path, Level level) {
        Holder.INST.defaultFactory.setLevel(path, level);
    }
Sets the log level for Loggers that fits the initial path. Note that
class name are in the form "c.s.i.c.p.c.i.ConnectionPoolComponentImpl"

@param path the start of the logger name that is to be changed
@param level the new log level
common-parent/logger/src/main/java/com/speedment/common/logger/LoggerManager.java