Merge pull request Zatvobor#286 from Zatvobor/6.6.2

support 6.6.2 ES

Merge pull request Zatvobor#277 from treble37/update-elixir

Support Elixir >= 1.3.0

Bump version to v0.8.15

 Bump version to v0.8.14

Bump version to v0.8.13

Bump version to v0.8.12

Release v0.8.11

Release v0.8.10

Release v0.8.9

Release v0.8.8