Allow resetting cache in case of load error and no retention
Version bump
Just do not load anything unless we need reteaining old cche data
Indentation and code flow fixed
Improved log message when loading gzipped JSON fails
Fix logical error
Merge pull request #4 from itkovian/fix-cache-load-fail

Start with an empty cache if init fails
Extend critical message with exception type and value information
Defined the critical exception handling in a new function
Set default excepthook to catch unhandled exceptions
Logging when in the excepthook
Version bump