wrote function that calculates number of possible combinations for a given score
renamed probabilities to permutations because it is the proper name
renamed class to refer to Permutations
applied gofmt tool and renamed the test file
changed calc_combs to calc perms
changed calc_combs to calc perms
removed not used variable
added a function that calculates probabilites, lower and higher
added a way to show probabilitiesof 4 standard die rolls
Merge pull request #6 from Akavall/roll_probabilities_2

Roll probabilities 2