Changes since 0.6.2 (svnversion 140)
- Added option -f which is short for --skip-whitelist
- Minor code changes

Changes since 0.6.1 (svnversion 133)
- Better check for res_init for Darwin and FreeBSD systems.
- Changed make target `test' to `check'.

Changes since 0.6.0 (svnversion 128)
- Has been made compatible with older C compilers like GCC 2.95.4
- Removed unused function from code.
- txtquery() only calls res_init() once.

Changes since 0.5.11 (svnversion 125)
- Version number 0.6.0, meaning this is marked as a stable release.
- Added option to --check-whitelist if it's indeed OK.
- Updated configure-script backend from autoconf 2.59 to 2.60

Changes since 0.5.10 (svnversion 121)
- Added --whitelist-add and --tlds-add to add user-defined lists to the hardcoded ones.

Changes since 0.5.9
- Warnings about hostnames with subdomains are now given without the verbose option.

Changes since 0.5.8 (svnversion 99)
- If configure warns about missing -lresolv, it suggests using --disable-resolv.
- Patched configure for correct dependency, removed compiler flags, should work on Solaris.
- Added option --print-tlds to print the two-level TLDs.
- Added check for more functions (memset, inet_ntoa, gethostbyname <- required).
- Added options --whitelist=... and --tlds=... to load whitelist and two-level TLD lists.
- Some code cleanup
- Renamed all "blacklist" names to "blocklist".
- Changed some output messages from stderr to stdout.

Changes since 0.5.7 (svnversion 96)
- Added option `-' to read hostnames from standard input.

Changes since 0.5.6 (svnversion 93)
- Changed verbose name for [ws] list to "w.stearns".

Changes since 0.5.5 (svnversion 92)
- Added configure option --enable-resolv to disable DNS TXT lookups on systems that are missing libresolv.
- Compatible with c++ compilers as well, if your C compiler has ANSI C problems.

Changes since 0.5.4 (svnversion 87)
- Removed TTL from DNS TXT output.
- Added predefined whitelist, as per surbl.org recommendations.
- Added option --print-whitelist
- Added option --skip-whitelist
- Now recognizes most two-level TLDs, as per surbl.org recommendations.
- More accurate list names: jwspamspy[jp] -> prolocation/jwspamspy, spamassassin[ws] -> b.stearn/spamassassin

Changes since 0.5.3 (svnversion 72)
- New option -vv for more verbose output.
- TXT record lookups

Changes since 0.5.2 (svnversion 67)
- New option: -r --recursive, for a.b.c will check a.b.c and b.c.
- Code changes:
	- Changed signature of check_blacklist
- Warning message changed ("hostname contains subdomains...")
- Output changed (e.g. "spamcop(sp)" changed to "spamcop").

Changes since 0.5.1 (svnversion 59)
- Returns 2 when one or more sites is blacklisted.
- Fixed bug in response code checking (missed code 8)
- Fixed numeric IP lookups (must be reversed)
- Added option --strip-sub to translate sub.foo.bar to foo.bar
- Verbose mode warning when using subdomain (sub.foo.bar)