Merge pull request #7 from h0x91b/dependabot/npm_and_yarn/redis-3.1.1

Bump redis from 2.8.0 to 3.1.1

[=] 2.0.10

[=] v2.0.9

[=] v2.0.8

[=] v2.0.7

[=] v2.0.6

[=] v2.0.5

[=] small changes (hints for v8 GC)