Allow percentile dice. Resolves #14.
Merge pull request #29 from Dapperbot/percentile-dice

Allow percentile dice. Resolves #14.
Make RuboCop run first for early stop when raking.
Merge pull request #30 from Dapperbot/rubocop-first

Make RuboCop run first for early stop when raking.
Multiple sides of dice

Resolves #7