In debug builds, there's no issues, but in release, an invalid mesh that
is deleted in FindInvalidDataProcess will be double free'd when the
parent scene is destroyed.
Changed copyright end year to 2020 in every reference "Copyright (c) 2006-XXXX, assimp team".
Changed copyright end year to 2020 in every reference "Copyright (c) 2006-XXXX, ASSIMP Development Team".
Changed copyright end year to 2020 in LICENCE.rtf.
Changed copyright end year in CMakeFiles.txt files and any other places referencing Assimp with a copyright start and end year.
Ryan Styrczula
Kim Kulling
Marc-Antoine Lortie