diff --git a/library/log4php/LoggerLevel.php b/library/log4php/LoggerLevel.php
deleted file mode 100644
--- a/library/log4php/LoggerLevel.php
+++ /dev/null
@@ -1,274 +0,0 @@
-<?php
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- *       http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * @package log4php
- */
-
-/**
- * Defines the minimum set of levels recognized by the system, that is
- * <i>OFF</i>, <i>FATAL</i>, <i>ERROR</i>,
- * <i>WARN</i>, <i>INFO</i>, <i>DEBUG</i> and
- * <i>ALL</i>.
- *
- * <p>The <i>LoggerLevel</i> class may be subclassed to define a larger
- * level set.</p>
- *
- * @version $Revision: 1379729 $
- * @package log4php
- * @since 0.5
- */
-class LoggerLevel {
-
-    const OFF = 2147483647;
-    const FATAL = 50000;
-    const ERROR = 40000;
-    const WARN = 30000;
-    const INFO = 20000;
-    const DEBUG = 10000;
-    const TRACE = 5000;
-    const ALL = -2147483647;
-
-    /** Integer level value. */
-    private $level;
-
-    /** Contains a list of instantiated levels. */
-    private static $levelMap;
-
-    /** String representation of the level. */
-    private $levelStr;
-
-    /**
-     * Equivalent syslog level.
-     * @var integer
-     */
-    private $syslogEquivalent;
-
-    /**
-     * Constructor
-     *
-     * @param integer $level
-     * @param string $levelStr
-     * @param integer $syslogEquivalent
-     */
-    private function __construct($level, $levelStr, $syslogEquivalent) {
-        $this->level = $level;
-        $this->levelStr = $levelStr;
-        $this->syslogEquivalent = $syslogEquivalent;
-    }
-
-    /**
-     * Compares two logger levels.
-     *
-     * @param LoggerLevels $other
-     * @return boolean
-     */
-    public function equals($other) {
-        if ($other instanceof LoggerLevel) {
-            if ($this->level == $other->level) {
-                return true;
-            }
-        } else {
-            return false;
-        }
-    }
-
-    /**
-     * Returns an Off Level
-     * @return LoggerLevel
-     */
-    public static function getLevelOff() {
-        if (!isset(self::$levelMap[LoggerLevel::OFF])) {
-            self::$levelMap[LoggerLevel::OFF] = new LoggerLevel(LoggerLevel::OFF, 'OFF', LOG_ALERT);
-        }
-        return self::$levelMap[LoggerLevel::OFF];
-    }
-
-    /**
-     * Returns a Fatal Level
-     * @return LoggerLevel
-     */
-    public static function getLevelFatal() {
-        if (!isset(self::$levelMap[LoggerLevel::FATAL])) {
-            self::$levelMap[LoggerLevel::FATAL] = new LoggerLevel(LoggerLevel::FATAL, 'FATAL', LOG_ALERT);
-        }
-        return self::$levelMap[LoggerLevel::FATAL];
-    }
-
-    /**
-     * Returns an Error Level
-     * @return LoggerLevel
-     */
-    public static function getLevelError() {
-        if (!isset(self::$levelMap[LoggerLevel::ERROR])) {
-            self::$levelMap[LoggerLevel::ERROR] = new LoggerLevel(LoggerLevel::ERROR, 'ERROR', LOG_ERR);
-        }
-        return self::$levelMap[LoggerLevel::ERROR];
-    }
-
-    /**
-     * Returns a Warn Level
-     * @return LoggerLevel
-     */
-    public static function getLevelWarn() {
-        if (!isset(self::$levelMap[LoggerLevel::WARN])) {
-            self::$levelMap[LoggerLevel::WARN] = new LoggerLevel(LoggerLevel::WARN, 'WARN', LOG_WARNING);
-        }
-        return self::$levelMap[LoggerLevel::WARN];
-    }
-
-    /**
-     * Returns an Info Level
-     * @return LoggerLevel
-     */
-    public static function getLevelInfo() {
-        if (!isset(self::$levelMap[LoggerLevel::INFO])) {
-            self::$levelMap[LoggerLevel::INFO] = new LoggerLevel(LoggerLevel::INFO, 'INFO', LOG_INFO);
-        }
-        return self::$levelMap[LoggerLevel::INFO];
-    }
-
-    /**
-     * Returns a Debug Level
-     * @return LoggerLevel
-     */
-    public static function getLevelDebug() {
-        if (!isset(self::$levelMap[LoggerLevel::DEBUG])) {
-            self::$levelMap[LoggerLevel::DEBUG] = new LoggerLevel(LoggerLevel::DEBUG, 'DEBUG', LOG_DEBUG);
-        }
-        return self::$levelMap[LoggerLevel::DEBUG];
-    }
-
-    /**
-     * Returns a Trace Level
-     * @return LoggerLevel
-     */
-    public static function getLevelTrace() {
-        if (!isset(self::$levelMap[LoggerLevel::TRACE])) {
-            self::$levelMap[LoggerLevel::TRACE] = new LoggerLevel(LoggerLevel::TRACE, 'TRACE', LOG_DEBUG);
-        }
-        return self::$levelMap[LoggerLevel::TRACE];
-    }
-
-    /**
-     * Returns an All Level
-     * @return LoggerLevel
-     */
-    public static function getLevelAll() {
-        if (!isset(self::$levelMap[LoggerLevel::ALL])) {
-            self::$levelMap[LoggerLevel::ALL] = new LoggerLevel(LoggerLevel::ALL, 'ALL', LOG_DEBUG);
-        }
-        return self::$levelMap[LoggerLevel::ALL];
-    }
-
-    /**
-     * Return the syslog equivalent of this level as an integer.
-     * @return integer
-     */
-    public function getSyslogEquivalent() {
-        return $this->syslogEquivalent;
-    }
-
-    /**
-     * Returns <i>true</i> if this level has a higher or equal
-     * level than the level passed as argument, <i>false</i>
-     * otherwise.
-     *
-     * @param LoggerLevel $other
-     * @return boolean
-     */
-    public function isGreaterOrEqual($other) {
-        return $this->level >= $other->level;
-    }
-
-    /**
-     * Returns the string representation of this level.
-     * @return string
-     */
-    public function toString() {
-        return $this->levelStr;
-    }
-
-    /**
-     * Returns the string representation of this level.
-     * @return string
-     */
-    public function __toString() {
-        return $this->toString();
-    }
-
-    /**
-     * Returns the integer representation of this level.
-     * @return integer
-     */
-    public function toInt() {
-        return $this->level;
-    }
-
-    /**
-     * Convert the input argument to a level. If the conversion fails, then
-     * this method returns the provided default level.
-     *
-     * @param mixed $arg The value to convert to level.
-     * @param LoggerLevel $default Value to return if conversion is not possible.
-     * @return LoggerLevel
-     */
-    public static function toLevel($arg, $defaultLevel = null) {
-        if (is_int($arg)) {
-            switch ($arg) {
-                case self::ALL:
-                    return self::getLevelAll();
-                case self::TRACE:
-                    return self::getLevelTrace();
-                case self::DEBUG:
-                    return self::getLevelDebug();
-                case self::INFO:
-                    return self::getLevelInfo();
-                case self::WARN:
-                    return self::getLevelWarn();
-                case self::ERROR:
-                    return self::getLevelError();
-                case self::FATAL:
-                    return self::getLevelFatal();
-                case self::OFF:
-                    return self::getLevelOff();
-                default:
-                    return $defaultLevel;
-            }
-        } else {
-            switch (strtoupper($arg)) {
-                case 'ALL':
-                    return self::getLevelAll();
-                case 'TRACE':
-                    return self::getLevelTrace();
-                case 'DEBUG':
-                    return self::getLevelDebug();
-                case 'INFO':
-                    return self::getLevelInfo();
-                case 'WARN':
-                    return self::getLevelWarn();
-                case 'ERROR':
-                    return self::getLevelError();
-                case 'FATAL':
-                    return self::getLevelFatal();
-                case 'OFF':
-                    return self::getLevelOff();
-                default:
-                    return $defaultLevel;
-            }
-        }
-    }
-}