Update 1.0.1

I got some reports of some bugs, so i fixed them, they are outline below:

• CRITICAL Fixed basement not being accessible
• Fixed saves not being saved independently of version (sadly, your old saves won't work, but any new saves you make will work
• Added missing credit, sorry Taaspider

Additional changes are outlined below:

• Changed game icon in task bar
• Changed gameover screen
• Added barricades to town map, to visually show that you cannot go further