an awful typo in std.regex; fix issue 9512
DDoc clarification: std.process.shell throws ErrnoException.
try to unify code style to use spaces between operators
even more spaces around operators
Merge pull request #1146 from blackwhale/typo-regex

an awful typo in std.regex; issue 9512
Merge pull request #1150 from kiith-sa/patch-1

DDoc clarification: std.process.shell throws ErrnoException.
std.c.windows.winsock: Fix types of SOCKET and socklen_t
std.c.windows.winsock: Fix servent structure for Win64
Merge pull request #1155 from CyberShadow/std-c-windows-winsock-fix-types

std.c.windows.winsock: Win64 and type fixes