Pastebin - a simple pastebin service

Usage:
  GET  /                    Show this help text
  GET  /:id                 Retrieve a paste
  POST /                    Create a new paste (random ID)
  POST /:id                 Create or overwrite a paste
  DELETE /:id               Delete a paste
  PUT  /:id?action=lock     Lock a paste (admin only)
  PUT  /:id?action=unlock   Unlock a paste (admin only)
  GET  /?action=stats       Show server statistics

All responses are plain text (Content-Type: text/plain).