Rubocop [#2]
Enable Rubocop Style/ClassAndModuleChildren rule
Enable Rubocop Style/SingleSpaceBeforeFirstArg rule
Enable Rubocop Lint/UnusedBlockArgument rule
Enable Rubocop Style/RegexpLiteral rule
Enable Rubocop Style/PercentLiteralDelimiters rule
Enable Rubocop Style/StringLiterals rule
Merge pull request #4 from promptworks/rubocop

Rubocop
Merge pull request #5 from promptworks/rubocop-strict

Make Rubocop stricter
Merge pull request #6 from promptworks/rubocop-string-literals

Rubocop - string literals
Enable Rubocop Style/AlignParameters rule

Also, clean up code to be a bit clearer and follow the rule more easily.
Merge pull request #7 from promptworks/rubocop-align-parameters

Rubocop align parameters
Perform some small refactorings