feat: add pet positions to walk command

Resolves #33

feat(game): put friends, group, inventory, skills in Game instead of Character

chore: update versions

chore: make updates to get rid of warnings

chore: update versions

feat(combat): support self targeted and area skills

fix(game): make effects vnum short instead of long

fix(combat): do not return successfully when walk position is equal to target position

chore: bump versions to support new PacketSerializer

Merge pull request #32 from Rutherther/combat

Add combat extension

chore: update versions

feat(combat): remove item selector from simple attack technique

fix(combat): wait for a second after casting a skill

This seems to be the "reload" period needed until
the character may move again

fix(pathfinding): return custom PathNotFoundError instead of NotFoundError

feat(pathfinding): add user cancelling to walk manager

feat(pathfinding): create custom pathfinding

chore: update dependencies

fix(combat): adjust walk in range behavior to not sit idle too much

fix(combat): cancel combat when cancellation token is cancelled

fix(combat): wait for a while after using a skill

More player like behavior.