Merge pull request #8 from michelp/master

Add handle wrapping to timer.
timer updates inline with current czmq updates
remove temporary debug
return types loop test to NOT run - still has issues
first readme update
Merge pull request #11 from claws/readme_update

first readme update
resolve merge conflict
Merge pull request #10 from claws/zloop_timer_updates

Zloop timer updates reflecting czmq updates
Update inline with latest CZMQ to fix broken zsocket test
Merge pull request #12 from claws/probe_router_fix

Update inline with latest CZMQ to fix broken zsocket test

Thanks @claws!
Add continuous integration
Merge branch 'add_continuous_integration' of https://github.com/claws/pyczmq
test CI hook
More CI testing
More CI testing
Fixes supporting Travis CI test builds
Python 2.6 compatibility updates for CI
Merge pull request #13 from claws/master

Add continuous integration testing
Update README.md

Change build badge to zeromq from claws
Add libzmq version checking to installer