Merge branch 'develop', remote-tracking branch 'origin' into develop
Added MemcacheChunkedBackend and DatastoreChunkedBackend classes for storing objects larger than Memcache or Datastore (1MB).
Fixed Memcaches maximum chunk size.  Small updates to errors
Fixed Memcaches maximum chunk size.  Small updates to error messages and tests
Merge branch 'chunked_caching' of bitbucket.org:dustinasmith/ferris-framework into chunked_caching
Merged in dustinasmith/ferris-framework/chunked_caching (pull request #22)

Added MemcacheChunkedBackend and DatastoreChunkedBackend classes for storing objects larger than Memcache or Datastore limits (1MB)
Merge branch 'develop' of bitbucket.org:cloudsherpas/ferris-framework