Refactor Converters to allow better code reuse. [DATAREDIS-404]

[spring-projects-issues]

Christoph Strobl opened DATAREDIS-404 and commented

Currently we've got different converter implementation for the redis drivers we support. Though some of the features used in the converters could be reused (like. converting boundaries for zrange commands). This is unfortunately limited by a lot of static instantiation within the specific converters.

So it would make sense so split the actual converter implementations into different classes allowing to extract a common set of functionality

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No further details from DATAREDIS-404