Fix memset() call, meant to clear the whole struct.

Per compiler warning.
socket: speedup also ipv6 connection

[Patch by Pavel Raiskup]
Call getaddrinfo() with AI_NUMERICHOST if it is ipv4/ipv6 address.
For that reason the inet_pton() is better than inet_addr().
Call getaddrinfo() with AI_NUMERICSERV because the service is a port number.
change history(prep release)
add some contents and adjustment.
Per report Pavel Raiskup.
Arrangement change history.
Adding a split document.
Prep release 09.03.0100.
Fixed not recognized by FreeBSD.
fixed build error in WiX v3.8.
Per report ljwilson@digitalav.com.
Fix the bug introduced by
  commit d293c1bfbab69660683b07fd1fe3e0cc3cad570e
    Replace calls to my_strcat and my_strcat with snprintf_add.

Note that my_strcat1() does nothing when the 4th parameter doesn't
have a valid value.
Ooops, test makefile (not gmake) is broken.
/bin/sh of standard equipment.
problem in an environment of /usr/local/bin/bash.
Forget modification.
Suppress Windows Compile warnings: C4018 signed/unsigned mismatch by default.
Stop using inet_pton() when it's unavailable on Windows.
increment of build number.
Forget connexp.h.
change name libintl.dll.
adjustment of the path name.