- corrected adapter code in BasicSymbolicChunkType and replaced default
container w/ fast list.
- fixed some NPE in the newly parallelized instantiation support
- cleaned up SearchSupport to recycle collections and consistently use
the realtime performat collections.
- added methods for guessing the size of a given slot search query
(expensive, but less so than set manipulations) [may be too expensive
for small models]
-