Inspired by Ben Sayer, rewritten the code and some of the comments to be more intelligent when the database already exists (use the module for the existing file, according to whichdb).  Noted in the doc strings that there doesn't seem to be a different between 'c' and 'n'.
Inspired by Ben Sayer, rewritten the code and some of the comments to
be more intelligent when the database already exists (use the module
for the existing file, according to whichdb).  Noted in the doc
strings that there doesn't seem to be a different between 'c' and 'n'.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator