persistence branch creation
memory-mapping basics
supporting material for mmap srcs
threaded cnode allocation pool -- first cut toward manual memory management & gc.  Performance Enhancements.
printv -- enhancements incl. support for trace of let, let*, and cond constructs; misc additional utils primarily intended for use in unit testing
retargeted to leverage manardb storage management layer
threaded memory-pooling (pre)allocation
spin off into new src files
text rendering and display
dropped manardb dep as there seems to be no end to the confusion caused by depending on a private branch
memory-mapped ctries now successfully complete 'smoke-check'
v2.0 pre
cleanup in preparation for advancing "persistent" branch to v2.0 branch as new repository default