Ignore deps.
Since compile relies on deps being present, ensure they are.
Enable email notifications for Travis CI
Add temporary permissions test for Travis CI
Change permissions for Travis CI erlang cookie
Correctly call permissions fix for Travis CI
Merge pull request #98 from cmeiklejohn/csm-fix-build

Fix failing build.
Broaden the notion of `args_spec()`
Fix function spec
Add argument capture capability (fixes #86)