Added table lock in getFileData().
treee430e9b3756c94e4593095d74cd2afd45a10771b
drwxr-xr-x - backend
drwxr-xr-x - database
drwxr-xr-x - irreco-metapack
drwxr-xr-x - irreco
drwxr-xr-x - irtrans
drwxr-xr-x - script
drwxr-xr-x - themes