changed Assigned To, old is "", new is "wwccss".
changed Estimate , old is "1", new is "2".
changed Left , old is "1", new is "2".

changed Status , old is "wait", new is "cancel".
changed Finished Date, old is "", new is "0000-00-00".
changed Canceled By , old is "", new is "wwccss".
changed Canceled Date, old is "", new is "2012-03-01 19:37:39".
changed Status Order , old is "1", new is "17".

changed Estimate, old is "2", new is "6".
changed Left , old is "2", new is "6".
changed Desc , the diff is：

001- 内置一个7z打包可执行程序，然后让用户指定下mysqldump命令所在的位置。设置访问数据库的用户和密码，指定备份的目录，将数据库和禅道代码压缩，按照日期存储。<br />
001+ <p>1. 在运行backup.php程序的时候，如果发现用户没有设置mysqldump命令，提示用户在my.php里面指定下mysqldump命令的位置。</p>
002+ <p>2.读取my.php，得到mysqldump命令所在的位置，和数据库的访问参数。</p>
003+ <p>3.创建基本的目录结构。backup/Ym/的格式。</p>
004+ <p>4.备份数据库，使用mysqldump命令。(如果密码为空，将-p参数省掉)，备份之后，用pclzip类压缩成一个zip文件。</p>
005+ <p>5.备份www/data目录，生成zip文件。</p>
006+ <p>6.命名格式: backup/201204/db.20120412.zip backup/201204/file.201204.zip</p>
007+ <p></p>
008+ <p>参考：<a href="http://www.phpconcept.net/pclzip/user-guide/53" target="_blank">http://www.phpconcept.net/pclzip/user-guide/53</a></p>

changed Assigned To, old is "wwccss", new is "azhi".

changed Consumed , old is "0", new is "4".
changed Left , old is "6", new is "0".
changed Assigned To , old is "azhi", new is "wwccss".
changed Status , old is "wait", new is "done".
changed Finished By , old is "", new is "azhi".
changed Finished Date, old is "", new is "2012-04-27 17:22:24".
changed Status Order , old is "1", new is "12".

changed Status , old is "done", new is "closed".
changed Assigned To , old is "wwccss", new is "closed".
changed Closed By , old is "", new is "wwccss".
changed Closed Date , old is "", new is "2012-05-10 08:02:57".
changed Closed Reason, old is "", new is "done".
changed Status Order , old is "12", new is "24".