minor, allow the stack to be extended indefinitely

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, probe within exponentially larger arrays of slots

First probe within the first 256 buckets.
then probe within 1024 buckets but leave the first 256 out,
then probe within 4096 buckets but leave the first 1024 out,
etc.

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, provide -v|--verbose

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, implement -n|--dry-run and -N|--no-extend

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'tool/enum'

* tool/enum:
  minor, implement -n|--dry-run and -N|--no-extend
  minor, provide -v|--verbose
  minor, probe within exponentially larger arrays of slots
  minor, allow the stack to be extended indefinitely