Reporter changes:

• (#266) Fix textual printing of byte slices
• (#275) Reduce minimum length for specialize string diffing
• (#276) Use any alias instead of interface{}

Code cleanup changes:

• (#281) Update minimum supported version to go1.11
• (#282) Drop hacks to work around Go reflection bugs in Go1.9
• (#285) Add //go:build lines
• (#262) Fix staticcheck findings
• (#263) Avoid shadowing variable
• (#268) Use sha256 in test
• (#271) Fix spelling mistakes
• (#269) Change build status badge