Starting to explore Maxmind API decoupling (Signature clashes) #96
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I don't want to extend Maxmind classes anymore (or as less as
possible/reasonable), instead wrapping them with my own types.
Reason: PHP 7 Typing is helpful, but when different plugins use different versions of the Maxmind library, everything goes downhill.
See https://wordpress.org/support/topic/maxmind-lib-incompabilities-meta-ticket/