Is It Working - 1.4.1 Release

Changes

• Updated rake to ~> 13.0 for Ruby ~> 2.2

1.3.1 Release

Remedy 'No such file' for `hostname`, enforce string type

• Check return value ofwhich hostname and execute hostname conditionally
• Use to_s for setter method to enforce string type
• Use empty? instead of size to check string presence

1.3.0 Release

Merge pull request #3 from customink/drinks/callbacks

Implement Reporters