This release includes the following new features: * Blank nodes in objects * Empty prefix * Language tags * Graph maps
And the next bugs have been fixed: * Correct quotes for IRIs in objects * Datatypes when termtype is IRI or BlankNode
1.5.4
The following errors have been fixed: * Iterator format for json/xml sources * Allowed subject without class * In Functions: * Correct finding of source * No error shown when there are functions in sheet but not referenced * IRI type in Function Map * Correct formating when referencing functions from function maps
1.5.3
Quotes in constant predicates are fixed
1.5.2
Support to blank nodes in subjects added
1.5.1
Test versioning
1.5.0
This release incorporates the changes done over the last two years, including bugs, enhancements, source code modularization and a reorganization of the package content.