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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

type: str
  description:
    description:
      - An description for the project.
    type: str
  issues_enabled:
    description:
      - Whether you want to create issues or not.
      - Possible values are true and false.
    type: bool
    default: yes
  merge_requests_enabled:
    description:
      - If merge requests can be made or not.
      - Possible values are true and false.
    type: bool
    default: yes
  wiki_enabled:
    description:
      - If an wiki for this project should be available or not.
      - Possible values are true and false.
    type: bool
    default: yes
  snippets_enabled:
    description:
      - If creating snippets should be available or not.
      - Possible values are true and false.
    type: bool
    default: yes
  visibility: