OR-647 be able to pass options.chunk_size when needed
OR-647 Be sure to set a valid chunk size
OR-647 Fix chunk_size
Merge pull request #436 in OR/rse from OR/rse-chamerling:OR-647 to master

* commit 'ff5b3dbf4f7e2da03b1f7f9174fd48c4f1b41033':
  OR-647 Fix chunk_size
  OR-647 Be sure to set a valid chunk size
  OR-647 be able to pass options.chunk_size when needed