Merge pull request #94 from phpDocumentor/code_style

Fix code style issues

Merge pull request #90 from phpDocumentor/php8-support

Php8 support

Bump phpunit/phpunit from 7.5.14 to 7.5.18

Bumps [phpunit/phpunit](https://github.com/sebastianbergmann/phpunit) from 7.5.14 to 7.5.18.
- [Release notes](https://github.com/sebastianbergmann/phpunit/releases)
- [Changelog](https://github.com/sebastianbergmann/phpunit/blob/7.5.18/ChangeLog-7.5.md)
- [Commits](sebastianbergmann/phpunit@7.5.14...7.5.18)

Signed-off-by: dependabot-preview[bot] <[email protected]>

add description

Merge pull request #21 from ashnazg/php7

update copyright, license blurb, and remove php version from docblocks;

Merge pull request #15 from stereomon/add-strict

Allow strict graphs, add missing test for setPath, add missing doc block

Merge pull request #10 from dereuromark/master

Allow path to be set for dot command line tool.

Merge pull request #8 from BigMichi1/patch-1

broken labels that begin with a slash

A label called '\' would break GraphViz

Graphiz cannot deal with slashes without escaping them. This fix will
add escaping when the string contains a '\'.

Merge pull request #7 from tommygnr/build-config

Update build config and dependencies