Walkie Stacker

• docs: update readme 746831f
• feat(io): add optional query parameter validation 6e9fdcd
• chore: update kind-of package c02a462
• chore: update dependecies 43f96d6
• fix(io): validate request headers check for empty headers 5459a1c
• build(deps): bump acorn from 5.7.3 to 5.7.4 b64bcb3

v1.0.3...v2.0.0