Lowercase native constants Fixer - fix #170 issue.
feature #365 Lowercase native constants Fixer - fix #170 issue. (keradus)

This PR was squashed before being merged into the 0.5.x-dev branch (closes #365).

Discussion
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Lowercase native constants Fixer - fix #170 issue.

Lowercase native constants Fixer - fix #170 issue.

Commits
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81e51cb Lowercase native constants Fixer - fix #170 issue.