Switch to miniunit
Ensure lib is in path
Merge branch 'fix-tests'
Remove OkJson
Require json directly
Remove Nack::JSON usage from tests
Use JSON.generate over to_json
Use ::JSON directly
Remove Nack::JSON namespace
Inline nack/json require
Extract json parse and generate server helpers
Server tests use JSON const directly
Revert "Extract json parse and generate server helpers"

This reverts commit 414367124918573c3ba0f6cd459f03818f4b71aa.
Fallback error handler when JSON is missing
Attempt to load json after config
Merge branch 'drop-okjson'