- it was possible to create a PackedList::iterator from a
PackedList::const_iterator and violate const-ness
- added HashTable::printInfo for emitting some information
- changed default table sizes from 100 -> 128 in preparation for future
2^n table sizes
- The capitalization is consistent with most other template classes, but
more importantly frees up xfer() for use as method name without needing
special treatment to avoid ambiguities.
It seems reasonable to have different names for transfer(...) and xfer()
methods, since the transfer is occuring in different directions.
The xfer() method can thus replace the recently introduced zero-parameter
transfer() methods.
Other name candidates (eg, yield, release, etc.) were deemed too abstract.
