Fix the writing of checksums to disk.
Instead of setting 'passed' to 'y' on test success, use a 'leave_data' flag that is set to 'y' on test failure.

This ensures tests which make multiple calls to "debug" or "check" leave data
behind if any of those calls fail.
Merge pull request #1147 from rocallahan/pass-flag

Instead of setting 'passed' to 'y' on test success, use a 'leave_data' f...
Add a test case for the epoll_create syscall
Add support for the epoll_create1 syscall
Add support for the setsid syscall
Merge pull request #1148 from ehsan/syscalls

Add support for epoll_create1 and setsid, and add a unit test for epoll_create
Read /proc/<pid>/auxv using the real-pid of the target.

Resolves #1150.
Merge pull request #1151 from rocallahan/real-pid-auxv

Read /proc/<pid>/auxv using the real-pid of the target.