v1.0.0.dev24

• Added warning about current instability of this project.
• Fixed breadcrumbs displaying on login page. Added option to re-enable it.
• Added option to disable breadcrumbs alltogether if requirements are not met.
• Bumped font-awesome version to 5.9.0. It is not possible yet to use any other subclass than fa, but v4 compatibility
  shim is active
• Documented breadcrumbs.