Variable length strings seem to be null
terminated in the animation asset.. but.. use with caution, home
grown. advances the index.

a string
Assembly: OpenMetaverse(Module: OpenMetaverse.dll) Version: 0.9.3.3318 (0.9.3.3318)
Assembly: OpenMetaverse(Module: OpenMetaverse.dll) Version: 0.9.3.3318 (0.9.3.3318)