Added support for the 20.0.0.5 header.
Added support for the 20.0.0.5 header.

BlazesRus/niflib,figment/niflib,neomonkeus/niflib,amorilia/niflib,figment/niflib,niftools/niflib,niftools/niflib,amorilia/niflib,neomonkeus/niflib,neomonkeus/niflib,BlazesRus/niflib,figment/niflib,niftools/niflib