Expose coa.Opt and coa.Arg
Merge pull request #37 from calebcox314/expose

Expose `coa.Opt` and `coa.Arg`
Update q to ~0.9.6
Merge branch 'q-0.9'
Update mocha, chai and istanbul to the latest versions
Merge branch 'update-dev-deps'
Update coffee-script to ~1.6.3
Recompile with coffee-script 1.6.3
Merge branch 'update-coffee'
Build on node 0.10 and 0.11 on Travis
Merge branch 'travis-node-0.10'
Merge branch 'master' into ext-commands