Merge pull request #834 from ForStuPractice/master

Update README.md

Merge pull request #816 from ColorlibHQ/bootstrap4_Update

Bootstrap4 update

Merge pull request #378 from puikinsh/Development

Updates to close some old pull requests

Merge pull request #177 from christianesperar/master

Package release update

Merge pull request #152 from krzysiekpiasecki/patch-1

Clone skycons and validator via https

Add multilevel submenu

Add multilevel submenu

Merge pull request #60 from christianesperar/master

Remove overlapping of content on some input element