fix(combat): do not cancel cancellation token after disposing it

feat(combat): add possibility to cancel operation to quit the combat state early

feat(combat): allow cancelling operations

feat(combat): make waiting return an error with information about waiting information

feat(combat): add compound operation to simplify using skills

fix(combat): do not register contracts that failed to execute

fix(combat): use dash on character if needed

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

Make combat nonblocking, make multiple queues for distinct operations

feat(combat): support dash in use skill operation

fix(combat): return use skill operation finished in case of an error

feat(combat): update operations to be non-blocking, add support for handling waiting

chore: use specific errors instead of GenericError

chore: add async analyzer and meet its standards

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

chore: make updates to get rid of warnings

feat(combat): support self targeted and area skills

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

Merge pull request #32 from Rutherther/combat

Add combat extension

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

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

feat(pathfinding): add user cancelling to walk manager