class Restforce::Middleware::Mashify

and collections of records into Restforce::Collection objects.
Middleware the converts sobject records from JSON into Restforce::SObject objects

def call(env) 

def call(env)
  @app.call(env).on_complete do |completed_env|
    completed_env[:body] = Restforce::Mash.build(completed_env[:body], client)
  end
end