Add barebones FRP implementation that can be used in the traditional imperative event-driven style if desired.
Use new FRP Event type to handle events on the server. Fix old issue where registering an event twice would remove old event handlers.
Update 'DrumMachine' example to use FRP.
Update .cabal file.
Correct initialization for domEvents: Memoize event name instead of relying on sharing.
Change type signature of stateful to use monad and hence fix starting time.
Add test whether recursion works.
Make recursion work.
Fix type exports.
Integrate FRP functionality into GUI modules. Add example 'CurrencyConverter'.
Extensive documentation for 'Reactive.Threepenny'.
Fix 'DrumMachine' example.
Remove unused modules from '.cabal' file.
Adjusting a 'Hashable' instance for compatibility with 'hashable-1.2.*'.
Merge pull request #44 from duplode/embed-frp

Adjusting a 'Hashable' instance for compatibility with 'hashable-1.2.*'.
Add 'unions' combinator and 'concatenate' helper function.
Add example to documentation. Fix #36.
Merge branch 'origin/embed-frp'