Change symmetric_difference to 'difference' (-): we are looking for files on PC1 and not on data/ingest !
Remove obsolete queries for the processing (ruffus used instead)
New module to drive the get_internet
New functions to get active get_internet sources
New definitions for get_lists (both eumetcsat/internet)
Test new get_number_files()
 New method get_number_files()
Correct couple of errors
Under development
Test new implementation