Merge pull request #3 from yotamr/master

client.query_tests, session.query_tests
Minor style change
Omit product fields by default
Merge commit '1a39462b6c9fcbccae3c734c81ffce0266e32359'

Conflicts:
	backslash/session.py
Add coverage info in unit tests
set user
Merge branch 'master' of https://github.com/vmalloc/backslash-python