Merge pull request #68 from plsfixrito/NpcOwnerId

Add OwnerId and IsPartner properties to NPC (partners/nosmates)

Rename IsPartner to PartnerMask

Add documentation for IsPartner

Add Partner properties to Npc entity

fix(packets): put correct attribute to pst packet effects

feat(packets): allow multiple separators in sayi2 packet

fix(packets): add packet header for qnaml packet

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

docs: add missing documentation

feat(packets): make su packet position nullable

fix(packets): make mltobj packet list a list index

fix(packets): add packet header for sayi2 packet

feat(packets): add hp, max hp into su and st packets

fix(packets): implement IPacket in Sayi2Packet

feat(packets): add buff, chat, raid, teleport, mates control packets

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

fix(packets): correctly parse family

chore: put raid header under raidf header to make raid header the default one

fix(packets): make upgrade rare sub packet nullable

fix(packets): make cmode fields correctly optional