Merge pull request #54 from Rutherther/test/packet-files

Add tests working with packet files

tests: add basic inventory, group, charater tests

chore: add mates and friends packet logs

fix: change packet logs extension to plog to avoid gitignore

chore: copy init_off_on log

chore: use Shouldly

tests: add game friends tests

chore: add Game test files with comments saying what tests to implement

tests(game): add basic test for mates

tests(game): add support for game integration tests

tests: remove unnecessary deep checks, replace them with ShouldBeEquivalentTo from Shouldly

tests: update, fix tests

tests: fix tests for new version

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