make sure zlib data is always read as-is#2

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wchristian wants to merge 11 commits intobobtfish:masterfrom wchristian:master

+40-21

Commits on Aug 11, 2010

Lazily build the fh attribute of Git::PurePerl::Pack objects.
Dan Brook
committed

Commits on Jun 7, 2011

Commits on Jun 9, 2011

sometimes the file with packed refs will contain lines that contain a sha, preceded by '^' and no ref name, those mean that the listed sha is an alternative for the preceding ref name
wchristian
committed
extracted some common code into one sub-routine
wchristian
committed
Only the last SHA1 for any given ref is returned from ref_sha1(). The reason for this is that the commit SHA1 is stored second in packed-refs if a commit is annoted with a tag object.
wchristian
committed

Commits on Jun 26, 2011

A git object can also be of zero size.
wchristian
committed

Commits on Jun 27, 2011

Commits on Jul 14, 2011

Translation from Digest::SHA1 to Digest::SHA
hggh
committed
Bump version to 0.48 and update Changes.
Dan Brook
committed