Update README.md
Update README.md
Merge branch 'master' of github.com:mielvds/RMLProcessor
Started implementation XPath processor
Added basic processors, added more abstraction, created unittest
Added test resources
Added join execution, conformance with unittest 2
Refactoring to more flexible node/join execution
added RML documentation
correct rml.html file
update the vocab definition with the iterator, changed selector to reference
updated Base Source
updated the RML views
updated subject maps
updated rml:reference
updated RDF terms
updated RDF terms
different changes on the documentation
added reference object maps to the documentation
updated documentation's examples