functions should reference current literal:
  * fixes error: 'Uncaught ReferenceError: image is not defined Faker.js:275'
improve image test coverage
auto-increment copyright year in docs
Updates Build.
Merge pull request #81 from hkal/auto_increment_copyright_year

auto-increment copyright year in docs
Merge pull request #79 from hkal/resolve_image_undefined

Resolve image undefined