Add Either library, change Maybe API, and add tap to Touch library.
Switch how ADT's are displayed. Should have no visible effect.
Add the `mergeEither` signal and remove some dead code from Touch.js.
Ensure that touch listener is detached if it is not used.
Add type hints for new libraries, and fix the types of fps and fpsWhen.
Update runtime.
Add `xor` function.
Remove extra parens! Was a parse error :|
Add xor to runtime.
Fix silly error with `mergeEither`.
Latest RTS
Update to work with pandoc >= 1.10. Hopefully this is not another annoying change in which people cannot get 1.10 working on their machine.
Make Pong more concise.
Minify RTS and bump version number.
Fix some more places where strings were thrown rather than Error().
Merge branch 'master' of git://github.com/evancz/Elm
And a few more places with bad throws.
Merge pull request #82 from dobesv/patch-throws

Patch some more cases of throwing a string to throw new Error(...)
Begin adding some type annotations.
Attempt a WebSockets library.