Merge pull request #2 from ed47/Paulo

Paulo
Solutions corrections
Merge branch 'master' of github.com:ed47/ED47.Stack
Added message handling to Stack.
Merge branch 'master' of github.com:ed47/ED47.Stack
Added language code to message for multilingual templates.
Added method to add File to FileBox when File object already exists.
Label: 	Search on enter instead of on keypress
Merge branch 'master' of github.com:ed47/ED47.Stack
Merge pull request #3 from ed47/master

Excel decimal properties validation