------------------ **Added** - Webservices and Data Discovery for OECD (v1 and v2) and UNICEF
**Changes**
**Bugfixes** - Fixed bug on ConceptRole on Dimension
2.3.1
------------------ **Added**
**Changes**
**Bugfixes** - Fixed webservices URLs and params.
2.3
---------------- **Added** - Webservices and data discovery on BIS, ECB, ESTAT, ILO
**Changes**
**Bugfixes** - Fixed duplication detection on ItemScheme. It is based now on ID instead of URN.
2.2
---------------- **Added**
**Changes** - International String is now based on str instead of object. NameableArtefacts can use str on __init__ method. - Changed semantic validation to structure validation. Improved error messages and logic.
**Bugfixes**
2.1
---------------- **Added**
**Changes** - Improved structural error management with definitions of common errors.
**Bugfixes** - Fixed ID errors on Annotation
2.0
----------------
**Added** - Added Webservices to search for datasets and dataflows in ECB, EUROSTAT, BIS and ILO using a REST API.
**Changes** - Fixed read_xml to allow for more flexibility on structural validation and better error management.
**Bugfixes** - Fixed member reading on CubeRegion.