fix(core): do not wait in case state was already reached
feat(core): avoid deadlock in contractor
fix(core): register contract after first state was executed
fix(core): do not throw an exception when adding IEveryPacketResponders
fix(core): do not add packet responder multiple times
Merge pull request #55 from Rutherther/feat/contracts
Add contract system
feat(core): add default states and no errors enum
feat(core): add contract builder
feat(game): add timeouts to contracts
feat(core): add contract builder outline
feat(core): add basics of a contract system
chore: add async analyzer and meet its standards
feat: add pet positions to walk command
Resolves #33
chore: make updates to get rid of warnings