Sprintly/item/724

Adapts SL locations to the following format:

Level 2 can have a 1 digit padded or not
Level 3 is  Level 2 not padded with Level 3 padded (in case of 1 digit) as :  L1 - L3

Remove keys that are not location keys and could match keys that should not be processed as ocation

Add Versioning to the index. Bumped version 0.0.2