Cldr Collation version 0.2.0

Enhancements

• Adds support for module-based comparators used by Enum.sort/2 on Elixir 1.10 and later. The comparitor modules are Cldr.Collator (which is case insensitive), Cldr.Collator.Sensitive (case sensitive comparison) and Cldr.Collator.Insensitive (case insensitive comparison).