added to_xml and from_xml functions and separated denominator from spatial resolution class
added to_xml and from_xml functions and separated denominator from spatial resolution class
added to_xml and from_xml functions and separated denominator from spatial resolution class
added to_xml and from_xml functions and separated denominator from spatial resolution class
Merge pull request #18 from smanousopoulos/master

Added to_xml and from_xml functions in InspireMetadata