About the second question: This is an API limitation, read the addon description for more information)

What do you mean with the title "Come with support for HTTPS"? The only pages where the addon does not work are described in the addon description and it's working on https pages.

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Update 15/10/2017

Alright, glad to hear that :) Btw. "stop loading" gesture will be available in the next version.version.