Always ignore server heartbeat if client heartbeat is 0/None (change for issue #30)
Bumps version to 1.4.2 and updates Changelog
Missing version change
Don't read from the socket more than requested. This prevents stalling issues (fixes celery/celery#1847).
Merge pull request #33 from celery/fix-celery-1847

Don't read from the socket more than requested. This prevents stalling i...
Adds Ionel Cristian Mărieș to AUTHORS
Bumps version to 1.4.3 and updates Changelog