* mark data read from DB (req. for string key where existing key value is not reliable indicator for DB data)
* detect distributors by part of model string
* use a simplified name (no spaces, no special characters) to find a match
* allow to obtain model strings (=keys) as set and list
* support for loading from datastore
* improved timestamp handling
* new color and country classes
* new attributes
* updates for missing parts in CUser