Sort packages
Sort release listing
Merge branch 'feature/sorting' into develop
Unify caching approach; use python-magic to compute content-type.
Abstract storage out to separate class.
Unify version management and change storage to incorporate release/pre-release data
Fix release vs pre-release; condition was inverted
Merge branch 'feature/smart-cache' into develop
Implement DELETE
Revise README
fix typo
Initial logging