Enable callbacks on zframe_destroy
Merge pull request #143 from raggi/zframe_freefn

Enable callbacks on zframe_destroy
Fixed issue #144
Updated version for 1.4.0
Fixed some errors in NEWS
Merge pull request #145 from hintjens/master

Fixed #144 and other small issues
Removed unneeded zmq_msg_close calls
Merge pull request #146 from hintjens/master

The code was doing a couple of redundant calls, removed those
update man pages
Merge pull request #147 from stephen-wolf/master

update generated man pages
move czmq API man pages to section 3
Merge pull request #149 from stephen-wolf/master

move czmq API man pages to section 3