update of template objects
Merge branch 'insert'
do not write credit into database
tests for insertion with template
print filename in db_insert_pdata script
in db_insert_pdata: check whether the object is also contained in the database BEFORE computing missing properties
Merge branch 'master' into insert
ignore date in insert testcase
clean up functions
Merge branch 'master' into insert
now testcases clean up afterwards