io.TabWriter: when saving to file, don't repr string variables
io.TabWriter: when saving to file, don't repr string variables

Fixes the issue where saved strings get quotes circumfixed.

cheral/orange3,marinkaz/orange3,cheral/orange3,marinkaz/orange3,cheral/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,marinkaz/orange3,qPCR4vir/orange3,qPCR4vir/orange3,kwikadi/orange3,kwikadi/orange3,kwikadi/orange3,kwikadi/orange3,marinkaz/orange3,qPCR4vir/orange3,qPCR4vir/orange3,marinkaz/orange3,cheral/orange3,cheral/orange3,marinkaz/orange3,kwikadi/orange3,kwikadi/orange3