Merge pull request SpinlockLabs#192 from kevmoo/fix_it

Fix GitHubFile.text decoding

Merge pull request SpinlockLabs#191 from SpinlockLabs/dev

make RepositoryContents json serializable

Merge pull request SpinlockLabs#188 from SpinlockLabs/dev

Merge 6.0.0 Dev Release to Stable

update changelog

Update CHANGELOG.md

Update pubspec.yaml

Merge pull request SpinlockLabs#171 from SpinlockLabs/tweak_binary_up…

…loads

Adjust deprecations and binary uploads

Merge pull request SpinlockLabs#164 from DirectMyFile/prep_5.2.0

Preparing for the 5.2.0 release

update changelog for 5.1.0

update changelog and version for 5.0.2 release