BlockSets are located at URI locations.
Partitioning logic depends on caller for the name of partition blocks.
An RDDFile is now a collection of BlockSet and not a collection of Blocks.
Map and partition to a provided set of target partition blocks (files).
Whitespace cleanup.
BlockSet location is Uri based.  Support for local file and AWS S3 URIs.
Store partition's set of blocks into specific S3 sub-dirs.
Return the blockset of fetched blocks from S3.
Mapper works for remote and local blocksets.
Add identity and identityof functions.
Range fetching of S3 data (byte ranges) and fetching to memory.
Better naming conventions for enumeratees.  xxx-map, xxx-flapmap, ...
Split and build URI paths.
S3 specific URI paths.
prelude.rkt for mapred library.  DynFn macros.
Attempt to dynamically load configuration which is a standard Racket module.
Bug fixes in typed json parser for negative digits and whitespace with key-value parsing.
Rename list accuming Iteratee.
Block fetch and store routines for local files and S3.
Remove the -er convention from MR core type-defines, e.g. Mapper to Map.