move author tests to xt
remove generated files from repository
update Build.PL to recent infrastructures
make author tests mandatory and re-use my usual...

make author tests mandatory and re-use my usual ones
bump version to 0.020
apply common template
fix spelling in pod
update copyright period
note made changes for this release
fix other spelling typos in Pod
remove generated file from repository
fix typo (sorry for noise)
bump version to 0.021