Rev 1.5 tim_one
Convert a pile of obvious "yes/no" functions to return bool

Rev 1.6 GvR
Rev 1.7 Gvr
(Already merged Idlefork ReplaceDialog.py 1.3.2.1 and 1.4)

Rev 1.8 doerwalter
(string methods)

Rev 1.9 nnorwitz
Remove unnecessary imports