before new refactor
Implementar la obtención de Iterator de un FeatureCollection por índice
updated libraries
get out expression evaluator from libFMap_data
Added libTools.Moved to libTools Observers and Visitors interfaces and Defaults
DataExplorer/DataExplorerParameters persistence API and implementation
Added persistence API and implementation to DataStoreParameters and DataStore.
TODO: DataExplorer/DataExplorerParameters