v 0.0.3.
Implemented #push.
Added some tests.
On branch master
modified:   Readme.md
modified:   example/libra-example.js
modified:   lib/libra.js
modified:   package.json
new file:   test/push-subscription-mode-test.js
new file:   test/push-transaction-mode-test.js
On branch master
modified:   lib/libra.js
v 0.0.4. Stay away!
On branch master
modified:   package.json