v0.3.1-patch.3

add method to refresh staleness timer on grabbed (acquired) locks

v0.3.1-patch.2

fix warning:
Passing the timeout as a positional argument is deprecated, it should be passed as a keyword argument: redis.blpop("governor:criteria_change:32342:AVAILABLE", timeout: 10)

v0.3.1-patch.1

patch on top of official v0.3.1 release to include the following PRs
dv#66
dv#71