Patch #13 Group bonus

Group bonus: (Bugfix)

The group bonus xp should not increase with the number of members.

The more there are in the group, the higher the level has to be to get the bonus at all.

If the party consists of two people, the monster must be yellow for at least the member with the highest level con.

If the group consists of four people, the monster must be at least orange.

If the group consists of more than four people, the monster must be at least red.

If the group consists of eight, the monster must be at least purple to get the bonus.

The group bonus will increase by the number of Monsters that adds the Group. (Adds)