Changes in YAP-6

Yap-6.0.7:

• NEW: Ulrich Neumerkel's lambda library.
• DELETE: ^/2 and ^/3 as grammar built-ins.
• FIXED: make install in clpqr was broken if we used local install_sh .
• DELETE: atan/2 arithmetic function, use atan2/2 instead (WG17).
• FIXED: compilation in Solaris was broken because of conflict in declaration of gethostname.
• FIXED: acyclic_term/1 is now built-in (WG17).
• NEW: subsumes_term/2 (WG17).

Yap-6.0.6:

• FIXED: fix problems in indexing compiled bignums (obs from Jos de Roo), center hash computing code in TermExt.h.
• FIXED: similar problem in unify_dbterm.
• FIXED: bug in implementation of unify_bigint instruction (obs from Jos de Roo).

Yap-6.0.5:

• FIXED: get rid of L constants (use cast).
• FIXED: outputing inf and nan in WIN32/64 (obs from Paulo Moura).
• NEW: WIN64 port.
• FIXED: improve SWI frame handling.
• FIXED: stack expansion could rewrite doubles and big ints.
• FIXED: unsafe test for attvar could crash.
• FIXED: rbtree doc (from Jan Wielemaker).
• FIXED: trail marking should be careful to reset attvars to attvars.
• FIXED: pl_function_t not function_t.
• NEW: update sgml package to latest SWI.
• FIXED: automatic generation of SWI atoms.
• IMPROVEMENT: better emulation of SWI atom_t and functor_t. Now they can be defined to be a constant.
• FIXED: 64 bit complaints in Matlab interface.