Do not modify the options hash
Do not modify the options hash

The options hash is passed down by rails and is cached. This means that
if one deletes from it, on the next call it will not have the previous
options anymore, thus losing the configuration.

Closes #13

piotrmurach/loaf,piotrmurach/loaf,piotrmurach/loaf,piotrmurach/loaf,peter-murach/loaf,peter-murach/loaf