- serializerExtraFields params

- add initializer.js
- memserver command shows options + loader + memserver browserify [dist] creates memserver.dist.js
- derived schema attribute for $Model:
  schema: {
    inserted_at: {
      type: '', notNull: true, unique: true, validate: {}
    }
  }
- non-json request/responses? - just kidding... or do I?!?
- rollup -i ./lib/response.js -o response.js -f cjs
- memserver glue [jsonEndpoint]