v0.46.1.
Fixed polling task code in connection.js.
Added new tests for pollinkg task, improved test coverage.
Fixed tests.
On branch master
modified:   lib/tasks/connection.js
modified:   package.json
new file:   test/task-polling-hangup-pubsub-test.js
new file:   test/task-polling-hangup-test.js
new file:   test/task-polling-reconnection-test.js
modified:   test/task-polling-test.js