Updated Esenthel Source:
-increased mesh simplification performance
-improved quality of multi-material blending

Fixes:
-fixed an important memory bug when removing elements in Memx/Cache
-fixed mesh simplification potentially generating too small triangles that could cause issues with collision detection (raycasts)

Updated Esenthel Source:
-improved OBJ 3d model format importer

Updated Esenthel Source:
-added new high quality 'D.contrast' (enabled by default) that replaces existing 'D.toneMap' functions

Updated Esenthel Source:
-improved 'D.eyeAdaptation'

API Changes:
-tweaked 'D.eyeAdaptation' parameters, please verify them in your games