Solidified functionality   - debugged support for ^d and ^c to match "expected" behaviours   - verified that "sub-prompting" works
Solidified functionality
  - debugged support for ^d and ^c to match "expected" behaviours
  - verified that "sub-prompting" works

Signed-off-by: Mark Nicholson <8d4a425c9e0ad7c7b6af22eb501c109304c1d477@gmail.com>

mark-nicholson/python-editline,mark-nicholson/python-editline,mark-nicholson/python-editline