queue_read and queue_restore documented
quiet_if_success tested and is immune for functions exiting/returning err
temp: BASHFOO_DUMP_TEMPFILES enables temp file dump at exit of script
assert.h: log all output to stderr (and use log api)
introspection: added variable_xxx functions to handle variables with runtime-defined names
memoize: added memoized_result that caches status results in env variables
test: be more +e/-e friendly, don't fail whole test invocation when test fails with -e
set SCRIPT_NAME in file invocation
triplet reading functions and tests added