v 1.4.3.
Added pubsub.js mix-ins to syllabus.
On branch syllabus
new file:   lib/syllabus/hyperloglog.js
modified:   lib/syllabus/index.js
modified:   lib/syllabus/keys.js
new file:   lib/syllabus/pubsub.js
modified:   lib/syllabus/strings.js
modified:   package.json