Drop support of PHP < 7.2

Updated PHP support and dropped PHP < 7.2

Support of multiple repositories in the configuration

Thanks @ym2048 for the PR #27

Better support of global installation

Thanks @mveyrenc for PR #26

Add support of Symfony 5

Thanks @theravel for the PR!

Fix Guzzle function integration

Thanks to @xrobau for PR #15

Support archive/exclude

Support Composer's archive/exclude file list in composer.json.

Thanks @marcoreni for this contribution!

Support global installation

Should now support global installation thanks to PR #12 (fixes issue #11).

Thanks @tvanrielwendrich for the contribution!

Support new ways to ignore files / directories

It is now possible to ignore files and directories, but also to use .gitattributes to ignore files and directories.

The option --ignore-dirs has been replaced by --ignore and has been marked as deprecated.

Thanks @Hodgy, @zhwei and @sdh100shaun for your contributions !

Add fixes from PR #5

Merge pull request #5 from Hodgy/bugfix/default-composer-ignore

Need to add a default return for getting from composer extras

Ignore-dirs configuration in composer.json

Add the possibility to set ignore-dirs configuration into composer.json.