v1.4 support new control types, fix file transfer, add nativ plc addressing

What's Changed

• Fix broken file transfer because of missing check for non secure file transfer by @drunsinn in #67
• add dword support for plc input and output by @drunsinn in #63
• add support for MillPlusIT V600 and MANUALplus620 by @drunsinn in #69
• Nativ plc addressing by @drunsinn in #68

Full Changelog: v1.3.3...v1.4