This project is released under SOX license that means you can do whatever you want to do, but you have to open source your copy on github if you let the public uses it. All copies should be released under the same license. The owner of each copy is only reponsible for his own copy, not for the parents, not for the children.
permitted use:
fork on github
change
do evil with your copy
prohibted use:
do evil with copies not of your own
open source your copy without declaring your parent copy