Loader now accepts an options Object as well as options properties to configure spin.js

updated wrong key for test description

updated tests to reflect the new options handling

updated readme.md to reflect options change.

added exception to not loop if options is not present

bumped package.json

refactored to allow both props and object options

refactored tests to allow both props and object options, added a test to verify that object options are being used instead of the props

empty line

updated readme to reflect both options