Changelog for multi-containers

0.2

• Add Internal modules that export data constructors
• Add conversion functions between Multimap and SetMultimap

0.1.1

• Add min/max functions for Data.Multimap and Data.Multimap.Set.

0.1.0.2

• Remove redundant constraints

0.1.0.1

• Update README

0.1.0.0

• Initial release