some documentation in English
comment in README.pt
added versioning
added possibility to link statically
added some conversion scripts
added README in Portuguese
put the four slices in clockwise order on output
copied license blurb from gcc
added license blurbs to license under GPLv3+
added TODO
removed c++-style comments and adapted to ansi c
added frontend to read 16 images at a time
use c instead of c++
finished Stanford 8-bit png frontend
add Stanford png frontend and stdout backend
finished png height map frontend
use unsigned char as voxel type
read the png file in the default frontend
added skeleton of frontend/backend architecture
initial commit