libcap-2.76
Lessen the situations where cap.SETPCAP is required for IAB setting.
Avoid thread churn deadlock with PSX rewrite.
Fix some typos in the psx.c code related to 6 argument syscalls.
Take more care post launch
Make more uniform GO build options.
Refactored the psx package to build as a Go module.
Up the release version to 2.76
Make cgo psx_syscall variant crash like runtime.AllThreadsSyscall
Tidy up some text explaining cap.NamedCaps.
Implement cap.Launch()
Add a test case for a deadlock.
SIGRTMAX does not play well with Go, so use SIGSYS for the psx interrupt.
Make sudotest more robust against untestable environments