up to 1.5.2 (2017-09-11)

up to 1.5.2 (2017-09-11)

- Fixed GitLabDriver looping endlessly in some conditions
- Fixed GitLabDriver support for unauthenticated requests
- Fixed GitLab zip downloads not triggering credentials prompt if unauthenticated
- Fixed path repository support of COMPOSER_ROOT_VERSION, it now applies to all path repos within the same git repository
- Fixed path repository handling of copies to avoid copying VCS files and others
- Fixed sub-directory call to ignore list and create-project commands as well as calls to Composer using --working-dir
- Fixed invalid warning appearing when calling `remove` on an non-stable package