GenMarkdownTreeCustom has a way to a header (filePrepender arg), however there is not a first class way to add a footer.

Summary

The documentation "activate_announcer_on_command_failure" is not helpful for users as it misses information a

Describe the bug
When the focus border color is not explicitly set, it defaults to widget color, instead of border color.

To Reproduce
Steps to reproduce the behavior:

1. Set widget border color to non default value
2. Select widget

Expected behavior
Focus border color should retain standard border color if not directly specified

Screenshots
In the below image the wa

result.on(
  success: { 
    greet: -> (first, last) { puts "Hi #{first} #{last}!" },
    print_name: -> (last, first) { puts "#{last}, #{first}!" }
  }
)

Original POC:

https://gist.github.com/serradura/499e403e64d53dfcb8c891dfff594e20

Once #150 is done, add a way to set default switches something like

manager.getContexts().setDefaultSwitch(Residence.class, "res,residence,r");