lib/unicode.php: $use_unicode param added to support "u" modifier
fixup anchor syntax

 * double bracketed anchor like as [[#foo]] also supported.
 * [[#foo|this]] also supported like as MoinMoin
Download plugin: check thumbnails dir
SWFUpload: fixup to show preview imgs correctly after uploading
fixup table class bug

http://angelhalo.org/bbs2/index.php?mid=wikibbs&document_srl=5792320
Attachment plugin: fixup to show fetched attachment from $pull_url
$use_hashed_upload_dir option added to upload files into many subdirs
Fetch plugin: support thumbwidth
Section Folding: support IE

and replaced embeded imgs by css style
RecentChanges macro: support log searching
fixup multi-line table rendering bug.
UploadFile plugin: cleanup upload form after uploading
DeleteFile: support hashed upload dir.
UploadFile plugin: support base64 data string
Clip, Draw plugin: support $use_hashed_upload_dir
HTML5 multifile uploader

based on UploadForm.php script
wikibits.js: use slice() correctly
EditToolbar macro: make double-square-brackets link [[foo bar]] by default
wikibits.js: fixup to support chrome
Blog plugin: support captcha by hyacinth like as the Comment plugin