Preparing 0.7.0 release

[IvanShamatov]

Changelog update

• version: 0.7.0 date: '2020-05-08' added:
  • "[Ivan Shamatov] Inheritable attributes for subclasses of commands"
  • "[Ivan Shamatov] Ability to register instances, not only classes as commands"
  • "[Vladislav Volkov] Add support for subcommands with a parent command" changed:
  • "[Luca Guidi] Extracted Dry::CLI::Utils::Files into dry-files"
  • "[Ivan Shamatov] Drop 2.3 ruby support"
  • "[Piotr Solnica] [Internal] Changelog, issue templates"
  • "[Anton Davydov] Documentation updates"
  • "[Luca Guidi] Remove concurrent-ruby as runtime dependency"
  • "[Ivan Shamatov] [Internal] Banner and Parses refactoring" fixed:
  • "[Ivan Shamatov] Safely rescue pipe exception, when you CLI app is producing output for piped CLI app"
  • "[Ivan Shamatov] Safely rescue keyboard interrupts"
  • "[Luca Guidi] [Internal] Don't run specs twice"
  • "[Nikita Shilnikov] Update inline call with keyward arguments"

[jodosha]

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