Merge pull request #5 from wikijm/master

Merge pull request #6 from dnet/master

missed space after comma

use pathlib instead of string concat

broke long lines

extracted redundant and long URL to constant

avoid using shell + concat on Windows as well

use check_call instead of check_output + decode + print

use Python stdlib copy instead of shell

close files properly + remove unnecessary bin->text->bin conversion

added spaces around equality operator

Python doesn't require parentheses around if conditions

removed redundant string literals

PKCS12Type has been deprecated, use PKCS12 instead

added .gitignore