Added mock stream support to loopback.
First unit tests.
Added couple more tests, docs, comments.
Added build configuratiuon.
Attempting to fix for 2.6.
Found another Py 2.6 problem.
Sigh.
Yet another dict comprehension. Sad to see them go.
Added NullHandler for 2.6.
version_info
Merge branch 'dev' into feature-unittest

Conflicts:
	python/src/instruments/util_fns.py
Added tests of utility functions alone.
Temporarily disabled Python 2.6 support in unit tests.
Merge pull request #25 from Galvant/feature-unittest

Integrate unit testing into master.