Changes

Country data has a new attribute called '''mass_limit_per_axle_count'''. It defines GVW (gross vehicle weight) - maximum allowed mass limit in KG of the whole vehicle set (truck + trailer (s) + cargo) with the given amount of axles (total truck + trailer(s)) in the following countriesevery country. Empty array impose no limit.

The first element is describing mass limit for vehicle with 2 axles, second for 3 axles etc. If vehicle has more axles than defined mass limits last entry will be usedas limit.