Better naming and attr. desc. formatting. Add attribute functions
Better naming and attr. desc. formatting. Add attribute functions

Description string formatter now subtracts 1 from percentages
greater than or equal to 1, this way it makes more sense since
the description strings usually have "+%s1%" or "-%s1%", making
percentages over 1 unnecessary.

Lagg/steamodd,miedzinski/steamodd