#8 IntToRoman test for invalid numbers fails
#8 IntToRoman throws exception for invalid numbers
#8 RomanToInt test should throw exception for invalid stringss
#8 RomanToInt test fixed for strings with invalid symbols
#8 RomanToInt test for invalid order throws  exception
Merge branch 'master' of https://github.com/gmamaladze/FreeUni-SDP-2014-Lab-Testing