src/config.c: Introduce config_parse_str()
src/config.c: Introduce config_parse_str()

Be consistent with other parser helpers and with config_serialize_str().

Signed-off-by: Lukas Fleischer <af90e31281d8305af43dc616c5aaca3c7165f8a7@cryptocrack.de>

lfos/calcurse,lfos/calcurse,lfos/calcurse