[Server] Rename script functions for clearing packet vectors for players

[Client] Stop drag and drop when setting player inventory

[Documentation] Update documentation for 0.6.1

[General] Update version to 0.6.0

[Server] Remove debug message

[Browser] Move password column to the right and shorten its name

Implement spellbook

Fix "comparison between signed and unsigned integer expressions"

Add missing break statement in Networking to prevent default nighttime

Set version to 0.2.0