Added EPMC reader
the main plan has to be used with parameters: input: XML file or directory containing XML files xslt: the stylesheet for EPMC XML provided in anciliaries/pmc2alvisnlp.xslt
the main plan has to be used with parameters: input: XML file or directory containing XML files xslt: the stylesheet for EPMC XML provided in anciliaries/pmc2alvisnlp.xslt