Bug: 228 Added support for Mix map type, by multiplying the export "amount" value by the mix amount. Fixed scaling of "amount" values. TODO: Check animation values. Reworked the import of materials to use compositeTexMap, rather than CompositeMtl. All textures load through the composite tex map onto the default StdMtl, and all channels of the StdMtl are set to 100% effect. Individual textures are then modified by their "Output" parameter for blending effects etc. TODO: Support correct amount export for textures.