More source map stuff#633

Merged

tomblind merged 5 commits intomasterfrom

bugfix/sourcemap-issues

Jun 20, 2019

Commits on Jun 17, 2019

source-mapping function 'end'
tomblind
committed

Commits on Jun 18, 2019

Commits on Jun 19, 2019

clarification comment for constructor original node
tomblind
committed

Commits on Jun 20, 2019

clarifying generated constructor check better
tomblind
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