Fix/444

[leogargu]

I reduced the memory requirements for test_counting_single.py
(Please ignore changes to test_save_load_merge, jlippy has fixed test_subset_graph.py)

Checklist:

• [ y ] Is it mergable
• [ y ] Did it pass the tests?
• [ no new functionality ] If it introduces new functionality in scripts/ is it tested?
  Check for code coverage.
• [ y ] Is it well formatted? Look at pep8/pylint, cppcheck, and
  make doc output. Use autopep8 and astyle -A10 --max-code-length=80
  if needed.
• [ y ] Is it documented in the Changelog?
• [ y ] Was spellcheck run on the source code and documentation after changes
  were made?

[ged-jenkins]

Can one of the admins verify this patch?

[ged-jenkins]

Can one of the admins verify this patch?

[mr-c]

ok to test

[mr-c]

This is great, merging.

[mr-c]

Err, I just saw the error. I'm investigating now.

[leogargu]

Sorry, I made a mistake when checking the tests. I think it works now.

[mr-c]

Congratulations on your first commit to the khmer project! Your name will be included in the release notes for the next version and you'll be listed amongst our other contributors in the next software release paper.

[ged-jenkins]

Can one of the admins verify this patch?

[ged-jenkins]

Can one of the admins verify this patch?