Cleanup code and better error handling

commit 95798d33 
Author: Matt Wise <wsmatth@amazon.com> 
Date: Thu Sep 24 2020 17:23:31 GMT-0500 (Central Daylight Time) 

    remove unused file


commit 14e2a2c0 
Author: Matt Wise <wsmatth@amazon.com> 
Date: Thu Sep 24 2020 17:15:15 GMT-0500 (Central Daylight Time) 

    cleaner authentication error handling


commit 39478e81 
Author: Matt Wise <wsmatth@amazon.com> 
Date: Thu Sep 24 2020 16:42:40 GMT-0500 (Central Daylight Time) 

    just use string names for quick check


commit 46ed271d 
Author: Matt Wise <wsmatth@amazon.com> 
Date: Thu Sep 24 2020 16:28:06 GMT-0500 (Central Daylight Time) 

    fix issues with greater than 10 keys in a partition. fix partition exists check