Merge pull request #108 from citrin/master

Config: SURBL update
Fix inserting to the hash.
Fix C modules initialization on restart.
Remove old controller's code.
Treat single IP as a single IP.

Issue:	#106
Reported by:	@citrin
Do not touch limits if not asked explicitly.

Reported by:	@citrin
Implement va_list version for gstring printf.
Send controller reply now accepts variadic args.
Improve logging for fuzzy errors.

Suggested by:	@citrin
Update manual pages.
Block SIGPIPE for HTTP writing.
Fix HTTP connection termination.

If a remote side terminates a connection, then notify and destroy
client as well.
Check part->fuzzy before dereferencing.
Reduce default number of parallel requests to 8.
Sync libucl.
Fix macro definition.
Update to 0.7.2.
Update debian packaging.
Added by a mistake.
Update rpm spec.