Version 2.2.7

• Tests: Improve Windows compatibility [#249]
• Add reason for skipping regeneration in wp media regenerate [#248]
• Add --update-attachment-refs flag to wp media regenerate [#242]
• Add wp media replace subcommand [#240]
• Add wp media prune command to remove generated thumbnails [#239]
• Add STDIN support to wp media import [#221]