Added uppg1 labb1
Added uppg2 labb1
Added uppg3 labb1
Added uppg4 labb1
Added uppg5 labb1
Added uppg6 labb1
Added uppg7 labb1
Added uppg1 labb2
Added uppg2 labb2
Added uppg3 labb2
Added uppg4 labb2
Added uppg5 labb2
Added uppg6 labb2
Added uppg5 labb3
Added instructions for lab 1
Added instructions for lab 2
Added instructions for lab 3