Merge branch 'hotfix/2.7.2.1.1'
Merge branch 'master' of github.com:locationlabs/mockredis into feature/AddMissingListMethods
added rpop and lpush
- llen added to redis.py
- tests for list operations llen, lpop, lpush, rpop and rpush added
clean up as per feedback on SYS-62
Type check added for list
get functions for list and zset generalized
corrected error message on type function
minor changes
replaced returnDefault with return_default
Merge branch 'feature/AddMissingListMethods' into develop

Conflicts:
	mockredis/redis.py