refactor: Drop lazy_static dependency

[epage]

Fixes #514

[epage]

Sorry about that, examples should now be updated.

[coveralls]

Pull Request Test Coverage Report for Build 11478143095

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
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• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 5 of 5 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.05%) to 62.993%

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Totals
Change from base Build 11478119885:	0.05%
Covered Lines:	943
Relevant Lines:	1497

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💛 - Coveralls