change the constructor of the DwCA library and add a new test for it
Migrate functions from old style dwca library to the new style
Add extension data extraction mechanism and corresponding test
Change classes to respond better to the GBIF EML metadata profile
Add test for the get_metadata method
Add field for filename
Add support to extract the metadata information from a eml element
Add methods to process the <dataset>element
separate xml parsing  related functions in a separate file
Fix some typos
Add support to parser the <additionalMetadata> element
Deletes the getters and setters in order to use the php __get y __set methods
delete unused file
Add parser as a class attribute
delete uncleaned references to DwCAObject and to the archive.inc file
delete unused reference to DwCAObject
add a default preloaded for core CSVParser