Major refactoring : ListView has now its own Class.
Preparing the category change for the next version
Improvements on the DB side (for upgrade mostly)
Lots of changes to be able to use ViewPager : more work on categories and now using v4 fragment.
Import/export is now fixed (category)
Refactoring, new package created
A bit of clean-up in the imports and correction of a refactoring bug
(xml)
Edition of categories is now possible
forget one file
Import/export to/from xml is now working. New intermediate class 
"Category" created.
Clean up
Upto date english help. small changes in the type of text
Updating strings, adding french translation
Warning when removing a category, move todo items correctly
why did I include R ? mistake
Strings.xml cleanup, french translation updated
Clean-up of strings
removal of useless files ...