NewCrc0.7

What's Changed

• Alpha to main cpp 20 by @Luxuse in #3

-NewCrc-7.1-L.exe is same as the basic but no format in cpp20 and thread have lag but its work nice

-NewCrc-7.1-L-UPX.exe is same as -NewCrc-7.1-L.exe but with upx compress

Full Changelog: NewCrc0.3...NewCrc0.7