Move integration test file naming
(Large) Move raw data record store to .__record property

Sets up a non-enumerable `.__record` property on Record# instances providing raw data access to the underlying 'document'. Provides the following methods:

  - `.record()`: Returns the raw data object (with proto methods)
  - `.get( name ): Returns the value of a given property
  - `.set( name, value ): Sets the value of a named property