[QUALITY] Code cleanup

This release fixes on:

• improving testing (we're now at 85%+ coverage);
• removing dead code;
• improving generality of APIs.

Fixing KVList

Merge pull request #5 from pasqal-io/yoric/kv

[FIX] KVList was broken

v0.2.0

API changes: less focus on JSON, more generic.

Initial release fixup

v0.1.1

Oops, forgot some renamings

Initial release

v0.1.0

Initial commit