Add a topic redirect plugin
update README
missing ""
Handle multiple subscriptions in the same SUBSCRIBE packet and generate the correct SUBACK in response.
Implement keepAlive correctly, handle retained messages better and support 3.1.1 behaviours sufficiently to pass interops tests.
Changes to resolve issues found by the golang race detector. These are just fixed atm, should be looked at for cleanliness of code too
Remove call to pprof when quitting
lots of inline comments
more docs plus some rearrangement and making things more idiomatic with channels of struct{} rather than bool for use as "done" channels