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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

if self._module.check_mode:
            return True
        try:
            deployKey = project.keys.create(arguments)
        except (gitlab.exceptions.GitlabCreateError) as e:
            self._module.fail_json(msg="Failed to create deploy key: %s " % to_native(e))
        return deployKey
    '''
    @param deployKey Deploy Key Object
    @param arguments Attributes of the deployKey
    '''
    def updateDeployKey(self, deployKey, arguments):
        changed = False
        for arg_key, arg_value in arguments.items():
            if arguments[arg_key] is not None:
                if getattr(deployKey, arg_key) != arguments[arg_key]:
                    setattr(deployKey, arg_key, arguments[arg_key])
                    changed = True
        return (changed, deployKey)
    '''
    @param project Project object
    @param key_title Title of the key
    '''
    def findDeployKey(self, project, key_title):