[RPL/2] RPL/2 4.1.12

[BERTRAND Joël]

	Hello,

	New release with some new features and a few bugfixes:
- bug is fixed in recherche_type(). { "\"" } was not evaluated as 
expected as inner quote was not escaped;
- CIPHER new intrinsic is added to perform key generation, decryption 
and encryption;
- CBC-CMAC digest is added;
- HMAC digest is added;
- DIGEST intrinsic is added;
- signal management is fixed to be usable on NetBSD;
- RPL/CAS autoconfiguration is upgraded;
- sqlite, openssl, giac, gmp ave been upgraded;
- SQLITE support is added in SQLQUERY, SQLCONNECT and SQLDISCONNECT.

	Regards,

	JKB