memorypool.c: use native memory function for W32
Replace CLOSE() with MHD_close_()
add platform abstraction for errno and strerror
Implement MHD_socket
Add pipe emulation on W32
pipe platform/platform_interface.h fix
pipe W32 fix
Implement MHD_socket (part 2)
MHD_close_ -> MHD_closesocket_
Move USE_PIPES to platform.h
MHD_pipe implementation cnt.
MHD_close_ > MHD_closespipe_
platform_interface MHD_closepipe_ fix
microhttpd.h - remove MHD_pipe, use MHD_SOCKET_DEFINED
MHD_SOCKET_DEFINED in platform.h, update MHD_pipe
configure.ac: add "--disable-pipes" option
Remove PlibC wrappers usage
fix W32 err defs
test_get_sendfile.c - remove DIR_SEPARATOR_STR (W32 works fine with forwardslashes)
connection.c: remove PlibC macros, add error check in get_date_string()