v1.5.0

• chore(package): add koa and supertest (65ecd9b)
• chore(package): remove lodash.pick from dependencie (2d2bbc1)
• chore(release): 1.5.0 (597e180)
• test(key recorder): use function name instead of gather in index.test (443fb10)
• test(logger): init logger test pre-env (cfb3dcb)
• feat(serializer): use keysRecorder to build serializer for ctx.request (e068c46)
• docs(readme): add couple badges (169f956)