* GrassCoverErosionInwardsCalculation objects are now pulled from cashed collections when (de)serializing. * Implemented Create, Read and Update extension methods for GrassCoverErosionInwardsSectionResult to take the associated calculation into account. ** Updated entities accordingly. Related to Issue [WTI-662] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@4318 5a3db67b-de53-47b5-99c8-a1c30a6650e2