Recent changes to mopher's source.

Version 0.5.3
25.02.2015
    Fix several minor issues (i.a. #25).
    Update regdom rules.

Version 0.5.2
05.12.2014
    Fix DSO linking.
    Fix cleanup procedure on exit/error (#23, #24).
    Update regdom rules.

Version 0.5.1
10.11.2014
    Fix multiple problems around loading and punycode translation of
        UTF-8 regdom rules on NetBSD systems.

Version 0.5.0
06.11.2014
    This release contains many new features, almost 18 months of
        successful testing in production environments and a variety of
        adjustments and bugfixes.
    Serious attempt at complete documentation, multiple man pages added:
        mopher.7 mopherctl.8 mopherd.8 mopherd.acl.5 mopherd.conf.5
    The bdb backend switched to legacy BDB format (1.85), libdb is no
        longer a dependency on BSD systems with dbopen(3) in libc.
    Mozilla's Public Suffix rule list is no longer compiled into mopher
        but a regular file that may be updated and reloaded.
    The experimental database logging module (dblog) was added.  Its
        purpose is a fast history of structured session data, easy to
        query and translate into statistics or periodic reports.
    Introduction of basic unit test infrastructure.
    moco was renamed to mopherctl, see mopherctl(8).
    mail.acl was renamed to mopherd.acl, see mopherd.acl(5).
    Pattern and list operators were added, see mopherd.acl(5).
    Macro symbols in mopherd.acl(5) now use the same naming scheme like
        their Sendmail counterparts, including the curly braces.

Version 0.4.1
13.04.2013
    Fixed Message-ID logging
    Updated regdom rules

Version 0.4.0
06.12.2012
    Fixed possible format string reevaluation in log.c
    Fixed handling of NULL host addresses

Version 0.3.0
26.11.2012
    Moco now supports dumping all database tables
    Counter_penpal uses greylist_src as MTA address
    Log Message-ID in default logging
    Consistent logging format
    Added pipe action (EXPERIMENTAL)
    Identify servers public suffix used for greylisting (Petar Bogdanovic)
    Support LDFLAGS #7 (Petar Bogdanovic)
    Fixed update bug in counter.c
    Fixed bad message size bug
    Fixed ignored cf_default_deadline #10
    Fixed typo in sht.c #8 (Petar Bogdanovic)

Version 0.2.0
03.06.2012
    New greylist logging format
    Mopher control socket
    Mopher control socket client moco (EXPERIMENTAL)
    Improved Makefiles (Petar Bogdanovic)
    Fixed garbled remaining attempts #1
    Fixed bad spamd header format #3
    Fixed ACL evaluation bug #5

Version 0.1.0
23.01.2012
    First release

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