newfeatures: 
1) Processing of 1-Wire keys for DS1991, DS1992 and DS1993 devices are added.
2) Stability of the script loading is improved.

corrections:
1) Operating with RS-232, RS-485 configured for two stop bits is fixed.
2) RAM usage is optimized.

annotations: 
ATTENTION:
Archive in the internal memory will be lost after upgrade to this version, make sure the archive is uploaded.
Revision 5
Commit SHA hash bc01d9be 
