* Changed ExpandableArrayConverter to show child properties with index starting from 1 instead of 0. * Improved test coverage for ExpandableArrayConverter Related to Issue [WTI-20]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@747 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 5dddedd73719227f9924d82d626a99fa1a15cec9