Adds support for exclusive ranges in zrangebyscore to match current Redis capability
add timecop for testing .time
Merge pull request #98 from xgess/add-support-for-multiple-srandmembers

allow srandmembers to take an optional parameter for the number of eleme...
Support the SCAN command

http://redis.io/commands/scan
replace timecop with stubbing time for 1.8.7 support
make fakeredis conform to same setbit api as redis
Merge pull request #101 from xgess/setbit-return-integers

make fakeredis conform to same setbit api as redis
Merge pull request #100 from jasonroelofs/support-redis-scan

Support the SCAN command
Merge pull request #96 from timherby/support-exclusive-min-max

Adds support for exclusive ranges in zrangebyscore
Merge pull request #99 from xgess/add-time

add .time to FakeRedis
Only run stubbed time specs against fakeredis

Obviously when we run them against the real redis server, it returns the real time, not our stubbed version.
Use travis-recommended rbx Gemfile config
Add ruby 2.1.1 to travis config
Merge branch 'update-travis-config'
rpoplpush should not push when the source list is empty