Build 210206 (preview)

• conemu#2259, conemu#2269: Fix Far Manager crash using ConEmu.Editor.lua.
• conemu#2262: Fix executing batch scripts from Far if command contains quotes.
• conemu#2271: Fix single-char lines output in python.
• conemu#2272: Prefix console error messages with ConEmuC:.
• conemu#2212, conemu#2262, conemu#2267, conemu#2270: Fix run commands from Far Manager (ErrCode=0x00000057).
• Fix ConEmuC -echo ... and ConEmuC -type ... commands.
• l10n: translations were updated