Added client localStorage detection.
Return this to allow chaining.
Improved comments and comment formatting.
Updated default values.
sessionStorage not longer makes sense because it is not share between windows.
Return the $.ajax response to potentially provide blocking in the future.
Changed default back to localStorage instead of null.
Cleaned up comment spacing.
Added console.warn.
Fixed incorrect _url values.
Changed log levels to match coldbox values.
Added console.warn to console.
Added console.warn to demo.