Add amatch dependency
Add test dependencies
Configure specs
Extract calculations functions into Utilities module
Add usage documentation to README
Overhaul Twin#consolidate and Utilities
Add specs
Make Twin#consolidate return a HashWithIndifferentAccess
Make Twin#consolidate accept an object with instance variables
Ignore .ruby-version
Add year to license
Add contributing, author and license documentation to README
Improve Twin#consolidate internal comments
Add badges
Add a spec for nested arrays
Improve README documentation
Convert double quotes to single quotes
Make Twin#consolidate nested hashes spec harder to pass
Add string and numeric distance references in README
Add project description