feat(game): add mate skills api

feat(game): update skills api to allow using skills on self (character)

feat(game): add inventory api

feat(game): add inventory api

feat(game): add api for mates (company, stay, send back)

feat: add pet positions to walk command

Resolves #33

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

Pass CanBeNull to string serializer and converter

feat(packets): update packets to not use nullable if not needed

Merge pull request #46 from Rutherther/feat/act4

Add Act4 status processing

feat(game): emit Act4StatusReceived event upon receiving act4 info

Resolves #43

Merge pull request #45 from Rutherther/feat/mates

Add support for mates

fix(packets): correctly represent finfo

fix(packets): make nullable wrapper a class

chore(game): add missing documentation

feat(game): add mates processing

feat(game): add revive handling

feat(game): add friends processing

feat(game): add group processing

chore(game): update major version

Breaking changes were made

chore(game): update version