3.7.2
tests: guile: don't use VERS-TLS-ALL
Don't generate DH primes in Guile self checks (for speed).
guile: Add bindings for 'gnutls_error_is_fatal'.
Collapse and cleanup copyright information.
guile: Add support for post-handshake reauthentication.
Started Guile integration.
guile: tests: Make sure no processes are left behind.
Update gnulib files, fix syntax-check warnings.