Include dependency on optimist

Release v0.2.1

Correction: Release v0.2.0

Release v0.1.4

* Add support for 'pending' tag (you can add it to fenced code blocks)
* Fix -v version output

Release v0.1.3

* Add a new 'quiet' mode with -q
* Internal clean-up

Release v0.1.2

Release v0.1.1

* Added `-w` flag, allowing you to overwrite the file with ok/fail annotations
* Marked the package as compatible with node.js >0.6

Release v0.1.0

* Depend on JSONExp from npm
* Refer to JSONExp documentation in the README
* Replace the misleading "variables" with "bindings"
* Continuous testing on Travis CI

Release v0.0.11

* Fix for broken `npm publish` - most files were not included correctly

Release v0.0.10

* Rebrand to LiterAPI by agnoster, instead of WunderAPI by 6Wunderkinder
* Move to node 0.8.x