Stack 0.7

Hello,
this is a minor release, thanks to @raphaelbastide & @waschinski
for their contributions.

What's Changed

• Using url value instead of real_url for display by @waschinski in #4
• Update stack.css (more css variables) by @raphaelbastide in #6

New Contributors

• @waschinski made their first contribution in #4
• @raphaelbastide made their first contribution in #6

Full Changelog: 0.6...0.7