class RedcarpetCompat

def parse_extensions_and_renderer_options(exts)

given the extension list
Returns two hashes, the extensions and renderer options 
def parse_extensions_and_renderer_options(exts)
  exts = rename_extensions(exts)
  exts.partition {|ext| !RENDERER_OPTIONS.include?(ext) }.
    map {|list| list_to_truthy_hash(list) }
end