solved selection bug
Merge pull request #35 from ShaikDawood/master

solved selection bug
Merge pull request #5 from ChrisBoesch/master

updated
solved the problem of dragging to the bottom can not be processed without going through others
Merge pull request #36 from LI-HE/master

solved the problem of dragging to the bottom can not be processed without going through others
Merge pull request #21 from ChrisBoesch/master

update