1.1.0 (2014-01-05)
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* Keep a basic history
* Show the type of the return value
* Display the type and value of let and fn statements
* Rewrite internals around an ERB template

1.0.1 (2013-12-22)
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* Exit properly when ^D is pressed

1.0.0 (2013-12-22)
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* Initial release