++++++++++++++++++ - Fix issue that prevented installing the library
1.8.0
++++++++++++++++++ - Add String field - Add a new customizable layer called Content Negotiation to selection of Parser and Renderer - Add support to parameters on Content-Type and Accept headers - Improve Enum field performance. - Remove Encoders and Decoders in favor of Parser and Renderer
1.7.0
++++++++++++++++++ - Apache Licence has been replaced for MIT Licence - Add method 'created' into FlaskIO class - Make pre_load and pre_dump decorators importable from flask-io - Update marshmallow to the version 2.2.0
1.6.0
++++++++++++++++++ - Added DelimitedList field - Added request tracing - Made some marshmallow classes importable from the flask-io - Made parameters that use from_body mandatory - Updated marshmallow to the version 2.1.2
1.5.0
++++++++++++++++++ - Change error response to wrap the list of errors into an attribute 'errors' - Add extra arguments to the error class - Refactor/Simplify the core - Remove trace stuff (a new one will be released)