0.4.0

Changes

• chore: upgrade mocha and increase timeout #44
• chore: various CI and dependency security improvements #51
• minor internal request/queue type fixes #48
• Get tests and lint running in CI #52
• fix: incorrect getProcessCpuUsage type error messages #47
• fix: avoid orphaning chained and "other-queue" callbacks #46
• feat: define custom promisify implementations #45
• perf: reduce wastefully redundant list searching #49
• chore: update nan@2.17.0 #53