update change log
add missing API doc

#pragma warning disable 1591 disables warnings about XML doc in MoveAnnotation.
add all *.nupkg to ignore
update change log (API doc)
update nuspec for release 1.1.0
make Game.MoveText and RAVEntry.MoveText be of type MoveTextEntryList

Also Game.GetMoves has moved to MoveTextEntryList