Typo in README's code example

Seems to be a typo there. Couldn't get it working like it was before... but I'm new to Elixir, so I may just be missing something.
Merge pull request #14 from rchampourlier/patch-1

Typo in README's code example
Get lists of Repos
Management of webhooks
Code style update

Tabs to spaces and function name fixes.
Merge pull request #16 from JonGretar/repos-n-hooks

Listing of Repositories and management of webhooks.
bump required version of httpoison
Merge pull request #18 from reset/httpoison-bump

bump required version of httpoison
Update hex package definition
Bump version to 0.1.3

[ci skip]