Fixes file ordering in games that use ASCII characters between lowercase
'z' and uppercase 'A' (underscores).
MySims Kingdom has the files "terrainLightMapTinted.shader",
"terrainLightMapTintedGrid.shader", and
"terrainLightMapTinted_no_shadow.shader". In lowercase,
"terrainLightMapTinted_no_shadow.shader" comes before
"terrainLightMapTinted.shader" and "terrainLightMapTintedGrid.shader",
which is invalid.
The size field in FSTEntry contains the total amount of children, not
including the parent, but the parent needs to be included.
VolumeDirectory: Fix off-by-one in entry count calculation
The size field in FSTEntry contains the total amount of children, not
including the parent, but the parent needs to be included.