Submitting patches

[Blair Zajac]

Hello,

I've got a few patches that I needed for a project I'm working on:

1) Release the Python GIL so that multithreaded scripts that use
libarchive and are blocking on a read() don't prevent other threads from
doing work.

2) Adding many more accessors to entries, e.g. archive_entry_symlink().

How is the best way to get these into the project so I don't have to
maintain them as separate patches.

Thanks,
Blair