* Made StochasticSoilModelContext plural (multiple models!) * Fixed typos. * Improved XML docs. * Improved test coverage. * More relevant functional coverage on ArgumentExceptions. * Minor improvements. * Cleanup. Related to Issue [WTI-497] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@5090 5a3db67b-de53-47b5-99c8-a1c30a6650e2