beginning of database filling gui: the Product Filler
added the connect button
added connection to real database
added .pyc files to .gitignore
dbConnect is now object oriented
added getCategoryTree function
added getProductInfo functions
cleaned the __init__ method
separated tree class in its own file
added output on no info
now retrieving product detailed infos
new category trees with names
added same favicon as website, path variable should be redefined
ConnectionWidget is its own class now
connection widget uses new DBConnection object, and generates events on connection and disconnection
added missing comments
changed a print message in tests
root category of the tree has same dict cargo
added border to widget
added categories widget for category editing