0.8.2.26:

0.8.2.26:
        * Fix bug in the portable implementation of SB-MD5::I;
        * add support for modular functions with argument number
          different from 2;
        * SB!C::CUT-TO-WIDTH: derive node type from the type
          declaration;
        * on x86 reimplement LOGNOT as a modular function and
          implement 32BIT-LOGICAL-NOT in terms of LOGNOT;
        ... remove optimization of LOGNOT with LOGAND dest.