v0.6.0
build-sys: Label swtpm and swtpm_cuse with SELinux label
swtpm: Add 2021 as year in the Copyright notice
build-sys: Add HARDENING_CFLAGS and _LDFLAGS to all C programs
swtpm_cert: rename deprecated libtasn1 types
swtpm_setup: Fix the strjoin for the PID file path
swtpm_setup: Rewrite in 'C' (addresses issue #437)