Fixed tutorial 01 & 02 for solidity 0.8.7#48

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jmloudis wants to merge 3 commits intowillitscale:masterfrom

jmloudis:fix/tutorial-01&02-solidity-8

Commits on Dec 15, 2021

Fix Tutorials 1 & 2 to work with the latest solidity version - ^0.8.7
Jordan Loudis
committed
Fix Tutorials 1 & 2 to work with the latest solidity version - ^0.8.7
Jordan Loudis
committed
Fix Tutorials 1 & 2 to work with the latest solidity version - ^0.8.7
Jordan Loudis
committed