fix+new: evaluate can also do unfiltered, even if filtered for efficient .copy
fix+new: evaluate can also do unfiltered, even if filtered for efficient .copy

maartenbreddels/vaex,maartenbreddels/vaex,maartenbreddels/vaex,maartenbreddels/vaex,maartenbreddels/vaex,maartenbreddels/vaex