v.4.8.0.beta1

This is a maintenance release to address Ruby version and dependency issues that have cropped up in the years since the v4.7.1 release. It is released as a beta because it has not been thoroughly tested with other gems in the Lita ecosystem. If you use this and find any compatibility issues or bugs introduced since v4.7.1, please report them via the issues page.

Updates:

• The minimum Ruby version is now 2.5.
• Lita now requires the following versions of its dependencies:
  • bundler: >= 2.0
  • faraday: >= 1.0
  • http_router: >= 0.11
  • ice_nine: >= 0.11
  • i18n: >= 1.8
  • multi_json: >= 1.15
  • puma: >= 4.3
  • rack: >= 2.2
  • rb-readline: >= 0.5
  • redis-namespace: >= 1.7
  • thor: >= 1.0