Use newlines for current options information

Skip impostor and loopback packets. Fixes ValdikSS#53.

Enable PIE, High Entropy ASLR and add more warnings to Makefile

Merge branch 'ipv6' into masterv6

Windows Service support.

Program can now be started as a Windows Service. No additional
arguments needed. Refer to `service_install` and `service_remove`
scripts in released zip file.

Implement TCP fragmentation for HTTP Persistent (keep-alive) sessions.

New option `-k` splits HTTP request into two segments, and either
send only the first one (Windows would retransmit the other one
based on ACK number in ACK reply) or both (with `-n` enabled).

This fixes behaviour on some DPI which trace persistent sessions
but do not reassemble packages.

Do not add hostnames less than 4 characters long

Fix incorrect host header memmove()s. Fixes ValdikSS#47

Small fix for dnsredir

Update README.md