Full Coverage on Bid by BidTest.
Full Coverage on Price by PriceTest
Merge pull request #115 from flexiblepower/development_thijl

Development thijl
Removed pvpanel2 and 3, added standard random behaviour to both
net.powermatcher.example is now sonnar-issue free, save for the duplicate code in Freezer and PvPanel
Small refactor of Bid, BidCache, PriceTest.
Removed asserts and replaced them with exceptions.
These seem more logical.
new.powermatcher.visualisation should be sonar-issue free
Merge pull request #120 from flexiblepower/development_tom

Update to tests
Merge branch 'development' of https://github.com/flexiblepower/powermatcher into development_thijl