Issue 270: Fixed .pdf extension
Issue 020: Changed video with better one
Issue 013: Changed video with better one
Issue 015: Changed video with better one
Issue 027: Changed video with better one
Issue 049: Changed video with better one
Issue 051: New video cover with back
Issue 051: Changed video with better one
Issue 063: Changed video with better one
Issue 087: New video cover with back
Issue 087: Changed video with better one
Issue 099: New video cover with back
Issue 099: Changed video with better one
Issue 108: Changed video with better one
Issue 111: Changed video with better one
Issue 075: Changed video with better one
Issuue 075: New video cover with back
Issue 271: Added missing issue
Issue 272: Adden missing issue
Issue 273: Added missing issue