Bug 13450 – Add WindowsException and wenforce to std.exception

Having a GetLastError/FormatMessage-based mechanism to handle Win32 errors would be quite useful. We already have ErrnoException and errnoEnforce, however these are for the C errno concept, and do not include Windows errors.

Commits pushed to master at https://github.com/D-Programming-Language/phobos https://github.com/D-Programming-Language/phobos/commit/b1418c958b338aaad19d21a444fb1b7214d7e3c3 fix Issue 13450 - Add WindowsException and wenforce to std.exception Also expose ErrnoException's errno field as a documented property for consistency. https://github.com/D-Programming-Language/phobos/commit/7bc54139de6866adc810cbe906cd15e902802258 Merge pull request #2505 from CyberShadow/pull-20140909-222639 fix Issue 13450 - Add WindowsException and wenforce to std.exception