Change version to 5.1.0

Change version to 5.0.0

Change version to 4.1.0

Change version to 4.0.2

Change version to 4.0.1

Change version to 4.0.0

Change version to 3.1.1

Change version to 3.1.0

Add Library documentation section to README.md

Add info to README.md on replacing bootNoLogo()

Also fixed some spelling errors