This method is used to instantiate a GML AbstractTimeObject
setId(id)
Sets the id
addRemark(remark)
Adds a remark
delRemark(remark)
Deletes a remark
References
ISO 19136:2007 Geographic Information -- Geographic Markup Language.
http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=32554