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?  PNG ?%k25u25%fgd5n!?  PNG ?%k25u25%fgd5n!?  PNG ?%k25u25%fgd5n!?  PNG ?%k25u25%fgd5n!improve validation/conversion testing of valid/invalid specs

move the distmeta struct to $self->{distmeta} or something rather than having
it be the entire gits of the CPAN::Meta

validate version numbers with version::is_lax

use dclone more in converting structures