Log Message:
Update to 0.66

Changelog:
0.66
User-visible changes since 0.65 are as follows:

- Add support for lzip archives and patches
- Document QUILT_PC as user-settable
- configure: Don't require md5sum
- Test suite: Allow keeping the working directory on failure
- Test suite: Fix regex for recent versions of perl ...

0.65
User-visible changes since 0.64 are as follows:

- Translation fixes
- Project settings have priority
- Reject binary files in patches
- Fix a race condition in diff_file
- Performance: Optimizations to the setup command
- Performance: Optimizations to the bash completion script ...