minor updates, :regsave wasn't added in the end + mention the other std libs that have been added & beefed up.
minor updates, :regsave wasn't added in the end + mention the other
std libs that have been added & beefed up.

FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs,FranklinChen/Hugs