This is mostly a bug fix release.

• Work around some Windows CMD.EXE programs that will fail executing a totally empty batch file. -- Rene R.
• Add support for detection and building with vc9. -- John P.
• Plug memory leak when closing out actions. Thanks to Martin Kortmann for finding this. -- Rene R.
• Various improvements to __TIMINGRULE_ and __ACTIONRULE_ target variable hooks. -- Rene R.
• Change JAMDATE to use common ISO date format. -- Rene R.
• Add test for result status values of simple actions, i.e. empty actions. -- Rene R.
• Fix buffer overrun bug in expanding @() subexpressions. -- Rene R.
• Check empty string invariants, instead of assuming all strings are allocated. And reset strings when they are freed. -- Rene R.
• Add OSPLAT=PARISC for HP-UX PA-RISC. -- Boris G.
• Make quietly actions really quiet by not printing the command output. The output for the quietly actions is still available through __ACTIONRULE_. -- Rene R.
• Switch intel-win32 to use static multi thread runtime since the single thread static runtime is no longer available. -- Rene R.
• When setting OSPLAT, check __ia64 macro. -- Boris G.
• Get the unix timing working correctly. -- Noel B.
• Add -fno-strict-aliasing to compilation with gcc. Which works around GCC-4.2 crash problems. -- Boris G.
• Increased support for Python integration. -- Vladimir P., Daniel W.
• Allow specifying options with quotes, i.e. --with-python=xyz, to work around the CMD shell using = as an argument separator. -- Rene R.
• Add values of variables specified with -s to .EVNRION module, so that we can override environment on command line. -- Vladimir P.
• Make NORMALIZE_PATH convert to /. -- Vladimir P.