Update to 0.6.0#2

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phdye wants to merge 2 commits intoandreiamatuni:masterfrom

phdye:update-to-0.6.0

Commits on Jun 1, 2020

update to 0.6.0
philip-h-dye
committed

Commits on Jun 2, 2020

strings -- workaround realloc() semantic change via added mem_* funtions
philip-h-dye
committed