try to be consistent

[bison--]

DialogMaker.py
Choose one language for your function names.
Compare line 38 and 42.

Try to keep one coding style.
'lower case' like line 42 or 'mixed case' like line 73.
Never ever mix it up! It just confuses people.

File version: https://github.com/pythonfoo/Tkinterfoo/blob/ceb972aa19c6b2097269fd3de2cf9760d8aa187a/DialogMaker.py