* GIT-2045: enable versioning and strict slash on BlueprintGroup
* GIT-2045: convert named tuple into typed format + unit tests
* GIT-2045: add example code for versioned bpg
* GIT-2045: None value for strict slashes check
* GIT-2045: refactor handler types and add benchmark for urlparse
* GIT-2045: reduce urlparse benchmark iterations
* GIT-2045: add unit test and url merge behavior
* GIT-2045: cleanup example code and remove print
* GIT-2045: add test for slash duplication avoidence
* GIT-2045: fix issue with tailing / getting appended
* GIT-2045: use Optional instead of Union for Typing
* GIT-2045: use string for version arg
* GIT-2045: combine optional with union
