Handle paired and non-paired files separately
Handle paired and non-paired files separately

Avoids problems with border, just like with the raw file table.

T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,ENCODE-DCC/encoded,T2DREAM/t2dream-portal,ENCODE-DCC/encoded,ENCODE-DCC/encoded