anchor.diff:  
       + Attributes(Area Events)
   
  +# Group Events
  +
  +
   # Data Structures
   
   # position (object)
  -- x: 5 (number)
  -- y: 10 (number)
  +- x: *5* (number)
  +- y: *10* (number)
   
   # size (object)
  -- width: 10 (number)
  -- height: 20 (number)
  +- width: *10* (number)
  +- height: *20* (number)
  +
  +# area
  +- id: *FED210* (string, required) - object guid
  +- name: *The Oaks Castle*
  +- image_url: *//i.io/t.svg* (string) - svg to load
  +- contains (array[child])
  +
  +# child
  +- id: *h9iAjB* (string) - area guid
  +- position (position) - in the containing Area
  +- size (size) - in the containing Area
   
   # house_single
   - id: house
  
positive.code: 
      + Attributes (house_tree)
  
  # Group Events
  
  ## Area Events [/v1/areas/{id}/events{?from,to}]
  
  Return events for an area.
  
  + Attributes (array)
      - id: *wedding* (string, required) - event guid
      - in: *house* (string) - area guid
      - starts_at: `2015-11-21@17:54` (string) - commencement time
      - ends_at: `2015-11-21@17:54` (string) - termination time
      - adds (array) - areas added for the event
          - (object)
              - id: *h9iAjB* (string) - area guid
              - position (position) - in the containing Area
              - size (size) - in the containing Area
      - parts: dinner, dance, toasts (array[string]) - guids of constituent events
  
  ### Show [GET]
  
  
negative.code: + Parameters
    - id: house (string) - guid of area to return
  
  ### Show [GET]
  
  + Request
      + Headers
  