Fix recrawls to work with fetcher prefixes

Author Shawn Tice <sctice@gmail.com>
Author date 2012-03-12 21:Mar:th
Author local date 2012-03-12 14:Mar:th -0700
Committer Chris Pollett <chris@pollett.org>
Committer date 2012-03-16 20:Mar:th
Committer local date 2012-03-16 13:Mar:th -0700
Commit e318c4c83e23436de69f17b20816215a40b2e1ef
Tree 4c6bc6367bc24b1d06b32916f9b62ea009846f28
Parent 0f2a5dad2897669d1a82bfad094b4f0f0cd90a8e
Fix recrawls to work with fetcher prefixes

The fetcher always has a prefix (default 0), and the web archive bundle
iterator takes the prefix as a parameter. The arc_tool also expects a prefix
when looking in the cache directory for existing archives.

Signed-off-by: Chris Pollett <chris@pollett.org>
Affected files:
bin/arc_tool.php
bin/fetcher.php
lib/archive_bundle_iterators/arc_archive_bundle_iterator.php
lib/archive_bundle_iterators/mediawiki_bundle_iterator.php
lib/archive_bundle_iterators/odp_rdf_bundle_iterator.php
lib/archive_bundle_iterators/web_archive_bundle_iterator.php
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