Bug Fix Release

- fix grading for multiple students on short answer q's
- confirm sharing
- don't save student code to instructor account when grading Java progs

Author: runestonetest

setup.py

@@ -3,7 +3,7 @@
 with open('requirements.txt', 'r') as fh:
     dependencies = [l.strip() for l in fh]
 
-VERSION='4.1.8'
+VERSION='4.1.9'
 setup(
     name='runestone',
     description='Sphinx extensions for writing interactive documents.',