more readable exception for UrlBuildingError
more readable exception for UrlBuildingError

Lehych/iktomi,boltnev/iktomi,Lehych/iktomi,SlivTime/iktomi,oas89/iktomi,SlivTime/iktomi,boltnev/iktomi,SlivTime/iktomi,oas89/iktomi,boltnev/iktomi,SmartTeleMax/iktomi,SmartTeleMax/iktomi,Lehych/iktomi,oas89/iktomi,SmartTeleMax/iktomi