ddns-scripts: fix problem during startup

fixes problem CRITICAL ERROR - custom update_script not found
when extracting url and script from services / services_ipv6 file

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>
Merge pull request #397 from chris5560/master

ddns-scripts: fix problem during startup
micropython: update to latest

Signed-off-by: Roger D <rogerdammit@gmail.com>
Merge pull request #399 from roger-/micropython

micropython: update to latest
bash: Update to 4.3.30

Signed-off-by: Marcel Denia <naoir@gmx.net>