v0.1.4

• redis queue supports bulk job finder interface (#40)
• support context.Context in job handler (#41)
• test against go 1.15 and redis 6 (#42)
• add "Do not retry" error (#39) (handler returns an error, but it will not trigger default exponential backoff. you can use it to implement custom backoff algorithm by reenqueuing)
• add redislock package for future custom ratelimit package (#45)