remove default values in get from options, because default values already set in make_option functions
add range option support: close #2
update changes and readme after close #2
add support for set --filepath option: close #3
update changes and readme after close #3
add --permalinks option for get models.permalink decorated fields: close #4
update changes and readme after close #4 issue
add help for all options and for the command: close #6