Added ni_format_hex_data accepting separator arg
Added ni_parse_hex_data accepting separator arg
Added testing/hex-test using new parse/format_hex_data
Added ni_string_ishex, ni_string_remove_char, ni_sprint_hex
Correction to properly recognize similar @@ names
Moved project to https://github.com/openSUSE/wicked
Adding const to the ni_string_ishex(char *) argument
compat-suse: try to report ifcfg load failure once
compat-suse: return int in indexed variables processing