fixed version macros name
- Moved NULL check before dereferencing ptr
Merge pull request #5 from felipensp/coverity_fix

- Moved NULL check before dereferencing ptr
missing tests in archive
fix build for PHP 5.3
prepare 1.12.2 release
add me in Credits + set release date
missing #64342 in changelog
back to dev
clean 1 use of private lilbzip structure (stay 1)

add a "doubleclose" test to check than nothing wrong occurs
zip_discard already test is zp is open
add a test to check double call to zip_entry_close
modernize + clean + sort package manifest
clean all uses of private libzip structure
move check from NULL deref from php ext to in libzip

libzip patch is from upstream
http://hg.nih.at/libzip?cs=a2f3bb7896c0
allow to build in php tree
prepare release and constify
fix possible memory leak (already partially fixed in php master)
release date is today
typo
configure output alignment
stream_opener API is constified only in 5.6