tests: add new fields to su packet

feat(core): split raw client and managed client as well as packet handlers

Resolves #65

feat(packets): remove ExtraSpace from CList packet and replace it with allowing multiple separators

docs: add missing documentation

Merge pull request #60 from Rutherther/feat/combat-v1

Make combat nonblocking, make multiple queues for distinct operations

tests(core): add tests for contracts

tests(game): add raid tests

tests: add ptctl deserialization test

feat(packets): make lists and conditional parameters non-optional non-nullable

Merge pull request #53 from Rutherther/feat/raids

Add raid processing

tests: add raid packet tests

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