v1.4.2 improved world load times, DB upgrade

Added description for future upgrades to README.md
Adding settings for WEB_GUI (will be added in next commit)
Small modification to packet_stream logging
Defering delay increased back to 1 sec, works a lot faster
Updates to /item display, showing what you sent
Updates to player_manager, adding "On ship" to location
Version updated to 1.4.2