Merge pull request schmittjoh#46 from adrienbrault/schmittjohgh-44

Fix NullMetadata performance issue

Update CHANGELOG.md

Merge pull request schmittjoh#34 from tommygnr/32-fix-file-permissions

Set cache files to be world readable

use cache dir for temporary files to avoid ACL issues

updates dev dependencies

Merge pull request schmittjoh#23 from vicb/cleanup

misc cleanup

doc, and cs fixes

updated version

release 1.1

release 1.0.0