3DFaces/libigl_Martin: Extension of libigl which allows to also read the texture of wrl-files in Python as igl.read_triangle_mesh(wrFilePath, V, F, TC) @ 2c9843f16404e6721e29ad7f25b699f9376417f0

Daniele Panozzo f692781ff9 - added tutorial for principal curvature directions		%!s(int64=11) %!d(string=hai) anos
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CMakeLists.txt	073be51f91 tutorials index starts from 1	%!s(int64=11) %!d(string=hai) anos
main.cpp	f692781ff9 - added tutorial for principal curvature directions	%!s(int64=11) %!d(string=hai) anos