Dependency and tooling update

1.2.0

fixup! Updating deps and CI tools

Improve quality control tooling

Include into CircleCI and Codecov tools

Minor updates

• doc + examples

Minor improvements rebar 2 and 3 support

• eunit formatters
• rebar 2 and 3 support
• improved type specs

Custom ETS options, Hex and rebar3 support

• improved documentation
• support for rebar3
• custom options for ETS table

Stable release

Merge pull request #5 from wmalik/master

Fix expire type