Anubis / Anubis

Functions modified accordingly.
Two new syscalls: sqlite3_errcode and sqlite3_errmsg.

it is enlarged (serialize.cpp: the macro 'check_serial'). Modified 'description.text'
accordingly.

Added some messages in sdbms.anubis and safe_save_retrieve.anubis (to be dropped later).

Modified 'data_base/sdbms.anubis' accordingly.

…text type instead of binary