Ignore node modules
define package.json
Run tape on test/ folder when using `npm test`
Define MessageQueue object
Define MessageQueue#enqueue and MessageQueue#dequeue
MessageQueue can be initialized with a value for latency

* Removed opts object as latency is the only argument for less verbosity
Rename MessageQueue to UpdatesBuffer
Rename MessageQueue to UpdatesBuffer
Rename MessageQueueTest to UpdatesBufferTest
Rename #enqueue to #add
Refactor UpdatesBuffer

* Changed #dequeue to #getLast and only return last update, do not pop
as it may be returned again later
* Rename 'messages' array to 'updates'
* Update tests
Define UpdatesBuffer#getLastUpdates
Define #size method