Added documentation to lecture 8
Added documentation to lecture 8

Added clarifying comments
SatoshiNakamotoGeoscripting/SatoshiNakamotoGeoscripting,SatoshiNakamotoGeoscripting/SatoshiNakamotoGeoscripting,SatoshiNakamotoGeoscripting/SatoshiNakamotoGeoscripting,SatoshiNakamotoGeoscripting/SatoshiNakamotoGeoscripting