Update argument parser :
-u <STR>, --username <STR>
FamilySearch username
-p <STR>, --password <STR>
FamilySearch password
-i <STR> [<STR> ...], --individuals <STR> [<STR> ...]
List of individual FamilySearch IDs for whom to
retrieve ancestors
-a <INT>, --ascend <INT>
Number of generations to ascend [4]
-d <INT>, --descend <INT>
Number of generations to descend [0]
-m, --marriage Add spouses and couples information [False]
-r, --get-contributors
Add list of contributors in notes [False]
-c, --get_ordinances Add LDS ordinances (need LDS account) [False]
-v, --verbose Increase output verbosity [False]
-t <INT>, --timeout <INT>
Timeout in seconds [60]
--show-password Show password in .settings file [False]
-o <FILE>, --outfile <FILE>
output GEDCOM file [stdout]
-l <FILE>, --logfile <FILE>
output log file [stderr]