bump elixir version in travis.yml
Merge pull request #5 from reset/ex-11

Update to Elixir 0.11.x
Add _build to gitignore

[ci skip]
add Tentacat.Releases for manipulating the releases API endpoints
allow for raw requests in Client; not just JSON
add Tentacat.Releases.Assets for manipulating release assets
remove future functionality that was commented out
correct Releases.find documentation
Merge pull request #6 from reset/releases-api

Add modules for Releases API
Use URI.encode_query instead of self-made implementation

[ci skip]
Fix list_since @doc

[ci skip]
bump to elixir 12
use my fork of httpotion