Merge pull request #44 from drio/master

unit testing for new instruments code.
Merge pull request #45 from drio/master

utesting for new dashboard code.
Added the "query" response element to the metric object so end-uers can test for metric.query[next_time] and paginate properly
Merge pull request #46 from djosephsen/master

Added the "query" response element to the metric object