[#13] Added State value to all return tuples of init() callback. Updated README and tests.
Merge pull request #15 from inaka/jfacorro.13.add.state.init.return.value

[#13] Added State value to all return values of init()
[#14] Send InitialEvents in init(). Updated README. Added cowboy w/ lasso.
[#14] Added tests case for InitialEvents.
[Closes #14] Improved README format.
Merge pull request #16 from inaka/jfacorro.14.initial.events

[#14] Allow Initial Events to be sent on init.