* Remove` Pry::Config::Default`
* Remove `Pry::Config::Memoization`
* Remove confusing use of `instance_eval`
* Add `Pry::Config.defaults`
Returns an instance of `Pry::Config`, initialized with Pry defaults.
Replaces the previous role of `Pry::Config::Default`.
Just discovered this nice feature of RSpec where it can load all files for
us. Works with `bundle exec rake` and `bundle exec rspec spec/file_spec.rb`,
which covers all use cases.
Fixes offences of the following cops:
* Layout/SpaceAroundEqualsInParameterDefault
* Layout/SpaceAroundOperators
* Layout/SpaceBeforeBlockBraces
* Layout/SpaceInsideBlockBraces
