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##### SUMMARY
<!--- Explain the problem briefly below -->

`python-gitlab` library release a new version [v1.13.0](https://github.com/python-gitlab/python-gitlab/releases/tag/v1.13.0). User/Password authentication as been removed completely causing all Ansible GitLab module to fail... 

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->

gitlab_group
gitlab_deploy_key
gitlab_hook
gitlab_project
gitlab_project_variable
gitlab_runner
gitlab_user

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
All versions

try:
        project = gitlab_instance.projects.get(identifier)
    except Exception as e:
        current_user = gitlab_instance.user
        try:
            project = gitlab_instance.projects.get(current_user.username + '/' + identifier)
        except Exception as e:
            return None
    return project
def findGroup(gitlab_instance, identifier):
    try:
        project = gitlab_instance.groups.get(identifier)
    except Exception as e:
        return None
    return project