SES-1870 : Add line and column number to RDFParserHelper.createLiteral
SES-1870 SES-1884 : Use line and column numbers and make RDFHandler optional
SES-1870 : Add see link to line number and column number method
Merged in ansell/sesame/SES-1870 (pull request #165)

SES-1870 SES-1884 : Use line and column numbers in createLiteral and make RDFHandler optional