use Perl

I've just released SVN::Web 0.42. This release is a mix of bug fixes and architectural changes to make it easier for people to build on SVN::Web.

One of the big changes is that now, instead of calling die() at various points, the majority of the code is now exception based, using SVN::Web::X (which derives from Exception::Class).

I'm not convinced that I'm quite using exceptions in the 'proper' fashion. Instead of having different classes of exception (::PathIsMissing, ::RevisionDoesNotExist, and so on), there's a single exception type (the aforementioned SVN::Web::X. When throwing an exception the code includes a short error message, and then the localisation system is responsible for turning that in to a pretty web page.

Since SVN::Web only has two notional layers (SVN::Web, which dispatches to SVN::Web:: actions, and the actions themselves) I don't think that I'm missing much here.

There's a handful of new functionality -- you can now easily view diffs between arbitrary revisions of a file, for instance, which is quite handy.

And a few things have changed under the hood to make it easier for third-party SVN::Web:: to hook in and behave like fully integrated parts of the original codebase. This will make it much easier for my next trick, SVN::Web::Search, which will put a search interface on top of all the log messages, revisions, dates, and authors in your repository...