split on preserved comments before running minification, fixes #222#320

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davidscotson wants to merge 3 commits intomatthiasmullie:masterfrom davidscotson:222_faster

+106-65

Commits on Mar 22, 2020

fixes matthiasmullie#222 and matthiasmullie#280
David Scotson
committed
speed/memory optimisations

David Scotson
authored and
David Scotson
committed
tweak for matthiasmullie#301 , unnecessary regex?
David Scotson
committed