updating gemspec and adding the LICENSE
bump version to 0.0.2
Merge pull request #28 from komidore64/gemspec

updating gemspec and adding the LICENSE
Rubocop: Fixing style problems and adding check
rubocop - switch to 80 character limit and fixing offences
Rubocop: Fixing subscription and product files

Fixing subscription and product files. Also added some rake rubocop tasks.