Checked and quickfixed with Markdown linter
- 80 columns line width (~)
- code highlighting
- ...
Some most obvious outdated content updated a bit more.
The phpdbg sapi has been initially developed under the
github.com/krakjoe/krakjoe/phpdbg repository with its own Travis-CI.org
configuration. Since 2017-03-16 the main development is happening in the main
php-src repository.