Squashed 'bundle/virtualclass/' changes from f618f1c..8773b75

8773b75 udpated mini file
007f01d fixed bugs and improved UI

git-subtree-dir: bundle/virtualclass
git-subtree-split: 8773b75921a5f47f4a0c48045e477371339f7e02
Merge commit '85ccfaeb1bda97355d812339987eebf72d2c4ee2'