Compatibility with redis 3.2.
Compatibility with redis 3.2.

Redis 3.2, returns the following error on pop:

ERR Error running script (call to f_8e6ed82be8f07f12e218eb6aa78b5736352ba035): @user_script:7: @user_script: 7: Lua redis() command arguments must be strings or integers

AcademicWorks/resque-uniqueue