* Follow up to c97be60.
* Added some safety measures when sending the instance name to the client.
* Adjusted the stored maps of instances to dynamic arrays to conserve memory.
- Max amount of possible maps increased to 255.
* Removed Map1 from the instance_db as the EnterMap is always the same value.
* Instances will now be destroyed even if the owner cannot be found.
* Corrected the return value when entering an instance when a character, party, or guild does not have an instance.
* Corrected a few script commands to properly stop the script engine on failures for instance script commands.
* Removed the instance name lookup for when entering an instance as instance_id is now passed.
- Adjusted script command instance_enter to no longer require the instance name.
* Adjusted script command instance_create to keep backwards compatibility.
* Cleaned up script command instance_warpall.
* Updated script documentation to reflect changes.
* Updated instance_db to reflect changes.