Bump version to 8.0.9

Bump version to 8.0.8

Bump version to 8.0.7

Merge pull request #118 from davidmarne/7.5.3

7.5.3

Merge pull request #97 from davidmarne/7.5.0

7.5.0

Merge pull request #86 from davidmarne/dart-2-dev

Dart 7.4.5 - Dart 2

Merge pull request #83 from davidmarne/update_analyzer_dev

Update analyzer dev

Merge pull request #82 from davidmarne/lint_ignores

Lint ignores

Merge pull request #82 from davidmarne/lint_ignores

Lint ignores

Merge pull request #48 from davidmarne/7.3.3

7.3.3 - Add Changelog