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* Catch live rewrite errors and display more friendly pywb error message.
* LiveRewriteHandler and WBHandler refactoring: LiveRewriteHandler now supports a root search page html template.
* Proxy mode option: 'unaltered_replay' to proxy archival data with no modifications (no banner, no server or client side rewriting).
* Fix client side rewriting (wombat.js) for proxy mode: only rewrite https -> http in absolute urls.
* Fixes to memento timemap/timegate to work with framed replay mode.
* Support for a fallback handler which will be called from a replay handler instead of a 404 response.
The handler, specified via the ``fallback`` option, can be the name of any other replay handler. Typically, it can be used with a live rewrite handler to fetch missing content from live instead of showing a 404.
* Live Rewrite can now be included as a 'collection type' in a pywb deployment by setting index path to ``$liveweb``.
* ``live-rewrite-server`` has optional ``--proxy host:port`` param to specify a loading live web data through an HTTP/S proxy, such as for use with a recording proxy.
* wombat: add document.cookie -> document.WB_wombat_cookie rewriting to check and rewrite Path= to archival url
* Better parent relative '../' path rewriting, resolved to correct absolute urls when rewritten. Additional testing for parent relative urls.
* New 'proxy_options' block, including 'use_default_coll' to allow defaulting to first collection w/o proxy auth.
* Improved support for proxy mode, allow different collections to be selected via proxy auth