fixes items slot type

In addition, max healing for small hp is updated.
Merge pull request #977 from raymondtfr/fix_items_slot

fixes items slot type
Fixed issue with KeywordHandler, adjusted StdModule reset condition
Merge pull request #980 from TheSumm/master

Fixed issue with KeywordHandler, adjusted StdModule reset condition
Fixes #21
Fixes #908
All Zaoan chess pieces can go into the ammo slot
Merge pull request #987 from EPuncker/master

All Zaoan chess pieces can go into the ammo slot
Use Game.createNpc instead of doCreateNpc in place_npc.lua

Closes #976