remove parent file (bugfix)
remove unnaccessary log
rename file function change return value + bugfix
Grid Bug Fix
bugfix : file save
cell change
ok
Add Opacity + build clean
bugfix : file error
ADD IUVideo
res folder 수정
okasdf
remove unnacessary code
코드정리 + NSUndoManager 설계
코드정리
bugfix
bugFix for CSS
add undo manager
enableredo
copy initialize