Wrong type hinting for older python versions.
Version string is parsed by regex to match the numbers and ignore rcX.
Open piCtory browser form main dialog was broken.
This will allow the access from outside the package. setup.py and the
Makefile can use this version number. The __init__.py script imports
the version number, so the module will have the __version__ variable
as usual.
Start a complete new setting file with right naming. Import all old
saved connections from old settings file. Revolution Pi saved settings
are now in an own class with all properties and default values. All
modules are using this new setting class, which support the save
function.
