v0.2.0

What's Changed

• Submit test coverage to Coveralls.io by @korya in #3
• ci: Lint all changes using golangci-lint by @korya in #4
• Add Make rules to test code locally by @korya in #5
• Add more functions: Map, Reduce and *Func variations by @korya in #6
• Add more functions: DiffFunc(), Overlap*(), Intersect*() and Uniq*() by @korya in #7

Full Changelog: v0.1.2...v0.2.0