Merge pull request #47 from Rutherther/feat/pass-nullable

Pass CanBeNull to string serializer and converter

chore(test): update tests

feat(tests): add tests structure

feat(tests): add clist packet tests

feat(packets): add many new packets

Merge pull request #34 from Rutherther/tests

Add core tests

fix(tests): add needed using

feat(tests): use merged HandlePacketAsync method

fix(tests): expect FakeError instead of GenericError

fix(tests): add default packet serializers

feat(tests): add tests for command processor, walk command handler, stateful injector

feat(tests): add player test with 0 UpgradeRareSubPacket

chore: update tests

fix: correct usings

chore: move PacketSerializer types to correct namespace

Merge pull request #32 from Rutherther/combat

Add combat extension

feat(tests): add Ski packet test

chore: update dependencies

chore: update to .NET 7

feat!(core): make some classes internal