Puzzler 19
Added an additional note to the explanation
Puzzler 21
Merge pull request #46 from nermin/master

Fix for issue #39
puzzler #22 (eta vs placeholder)
Merge pull request #36 from dgruntz/puzzler/currying_implicit

Puzzler 19: Implicit parameters and eta expansion
Added puzzler 19 "Implicitly Surprising". Thanks again, Dominik!
Adjusts puzzler19 to the new template

I have added the css class meta-table to the table and the
class header-column to the first row of the table.
Merge pull request #48 from dgruntz/puzzler/19

Adjusts puzzler19 to the new template (thanks, Dominik!)
Merge pull request #47 from SethTisue/pzzlr-022

puzzler #22 (eta vs placeholder). Thanks, Seth!
Expanded explanation for Puzzler 22 as discussed in the pull request
Added Puzzler 22 ("Count Me Now, Count Me Later"). Thanks, Seth!
Incorporated all comments on this puzzler. The question has been
changed according to the proposal of @demobox and I have adapted
the explanation. I have also added the proposed comment regarding
the REPL restriction.
Merge pull request #44 from dgruntz/puzzler/toplevel

Puzzler 21: Top-Level
Added puzzler #21 ("Views From the Top"). Welcome back from holiday, Dominik!
Puzzler 23: Overloading & Singleton Types

This new puzzler discusses a problem with overloading and
singleton types.
Puzzler 23: Overloading & Singleton Types

This commit provides a more REPL-friendly variant as proposed
by @demobox. The explanation is adapted to the small changes
in the Scala code.
Fixes the display button message for some puzzlers

In the template, the text for the display butten was changed from
`Display the correct answer and explanation` to `Display the correct
answer, explanation and comments`. Four puzzlers still had the old
text.
Merge pull request #51 from dgruntz/issue/template

Fixes the display button message for some puzzlers
Puzzler 24: Named parameters and inheritance

This puzzler discusses the problem of named parameters and inheritance.
Is the static or the dynamic type used to determine which parameter is
given and which default value is taken if a parameter is missing?