v0.32.0.
Fixed multiple (un)subscriptions.
Removed callback execution for (P)(UN)SUBSCRIBE commands. all commands replies
will be recevied as messages.
Added 'listen' and 'shutup' events for signaling lcient Pub/Sub mode.
Updated Libra to v0.12.2.
Updated Syllabus to v0.31.1.
Fixed tests..
On branch master
modified:   Readme.md
modified:   lib/spade.js
modified:   package.json
modified:   test/deps/test-utils.js
modified:   test/pubsub-mode-offline-test.js
modified:   test/pubsub-mode-test.js