Added ischinese_unicode function
Added ischinese_unicode function
Rename ischinese_unicode as iscjk_unicode
Rename ischinese_unicode as iscjk_unicode
Improved formatting when using both CJK and ASCII
Fix one character disappears when breaking line
Add LabelTTFCJKWrappingTest
Add LabelTTFCJKWrappingTest
Add LabelTTFCJKWrappingTest
Update LabelTestNew.lua
Merge pull request #1 from Pisces000221/patch-8

Will merge this pull request
Merge pull request #5302 from Pisces000221/improve-label-chinese

closed #3933 :A string which only contains CJK characters can't make a line-break when it's needed