disable AlembicScene cache persistency for HDF5 backend files
enable AlembicScene cache persistency in arnold procedural
use <name>/<name>idxs naming convention for indexed user attributes
little verbosity fix
added ==, != operators overloads for TimeSampleList::ConstIterator class
default frame range to frame-frame if it cannot be extracted from .abc file (single sample case)
normals/uvs support for mesh in arnold procedural