Make the string translator return the actual right values!
Make the string translator return the actual right values!

* zvm/zstring.py:
  (ZStringStream._get_block): Remove debug printing.
  (ZStringStream.get): Make the offset calculations work on the
    correct bits of the data chunk. Remove debug printing.

BGCX262/zvm-hg-to-git,BGCX262/zvm-hg-to-git