Before implementing new reader functions
SASL with GSS now works
Don't fail if CL-GSS is not loaded.
Removed a DECLAIM statement used for debugging.
The service name should not be hardcoded (old test code that had not been removed)
Implement support for both GSSAPI and GSS-SPNEGO
GSSAPI SASL type now working
Merge branch 'sasl-gss' of https://github.com/lokedhs/trivial-ldap into lokedhs-sasl-gss

Conflicts:
	trivial-ldap.lisp