Fixed to_json encoding error that occurs with uploaded file parameters. - Turns uploaded file parameters into strings to represent a file was uploaded.
Fixed to_json encoding error that occurs with uploaded file parameters.
- Turns uploaded file parameters into strings to represent a file was uploaded.

johnnaegle/apipie-rails,edwardjewson/apipie-rails,TwilightCoders/apipie-rails,edwardjewson/apipie-rails,johnnaegle/apipie-rails,Apipie/apipie-rails,Apipie/apipie-rails,lambda2/api-engine,ifeelgoods/apipie-rails,johnnaegle/apipie-rails,edwardjewson/apipie-rails,42School/api-engine,Apipie/apipie-rails,TwilightCoders/apipie-rails,42School/api-engine,42School/api-engine,ifeelgoods/apipie-rails,TwilightCoders/apipie-rails,lambda2/api-engine,lambda2/api-engine,ifeelgoods/apipie-rails