Merge implicit and explicit generation paths, start emitting file
transform & copy signals, fix various bugs, introduce new bugs, support
better --debug outputs in the future.
Remove file-based open methods from resume classes; force clients to use
clean string-based or JSON overloads; fix processing glitch in
validate(); tweak outputs; adjust tests; update CHANGELOG; etc.
A renderer is a thing that renders or "paints" an arbitrary format using
a templating engine like Handlebars or Underscore. A generator is a
thing responsible for generating a given output format like HTML or MS
Word.
