v0.31.0.
Fixed Pubsub mode, updated Libra dependency to v0.12.0 (better #update).
Added some tests in pubsub mode for multiple (un)subscriptions when the
client is already connected or offline.
Better code..
On branch master
modified:   lib/spade.js
modified:   package.json
modified:   test/auth-fail-test.js
modified:   test/monitor-mode-offline-test.js
modified:   test/monitor-mode-test.js
new file:   test/pubsub-mode-offline-test.js
new file:   test/pubsub-mode-test.js