Activated testing in Docker Hub.

New script to run tests in Docker Cloud.

Added new files for Docker.

Changed year to 2018.

Cleaned requirements.apt and requirements.pip for later use in Docker.

Made intersection process much faster for large and/or multi-feature …

…domains.

Successfully passed MacOS build in Travis CI.

Activated tests in AppVeyor!

Enabled Windows execution, but not yet activated in AppVeyor.

Activated build in AppVeyor.