new subcommand exec
enable remote_command to run multiple instance
Fix test failure with minitest 5.3.0.
Remove old, unused gems that were used for guard in Gemfile.
Fix adapters -> profiles deprecation warning with simplecov.
Only run simplecov when the COVERAGE env var is set.
Tighly version pin style & complexity gem libraries.
Remove tailor gem from project.
Refactor Rakefile.
Align hash elements in Thor DSL methods.
Favor Hash#key? over Hash#has_key?.
Use hash rocket syntax in production code.
Eliminat unused assignments & fixed resulting logic.
Remove space between not operator and code (style).
Remove trailing commas in hashes (style).
Exclude MetadataChopper's use of eval from style checking.
Remove explicit {} surrounds for hashes as last method parameter.
Favor %w style word arrays where possible (style).
Remove unused variable assignment in rescues (style).
Be more explicit when not handling exceptions in test code (style).