Add Xeroizer::Record#to_json
Split batch saves into chunks to prevent Xero timeouts.
Added documentation change for batch chunks.
Made the batch_save chunk size configurable.
Merge pull request #79 from fimmtiu/batch-limits

Chunk Large Batch Saves
Rails 4 no longer includes ActiveSupport::Memoizable
Merge pull request #82 from isaac/rails4

Rails 4 no longer includes ActiveSupport::Memoizable