Add regenerator, remove getStale
Major overhaul
Ensure that we can put and get zero
Fix for caching zero
Unreproducible string/integer issue
Reorganize namespaces
Rename Incrementable Caches
Remove unnecessary method
Regenerator will receive a boolean value of true when data is available
Ensure that the regenerator is only called once in all cases
Remove unused variable
Refactoring
whitespace fixes
clarify variable name
More refactoring
Even more refactoring
Correct comment
Add motivating comment
GeekCache refactoring, and additional tests
Slightly more refactoring
Make regenerator argument more consistent