Update v0.63.1 & Test server changes (Patreon)

Public changes:

• Improved responsiveness of shovel and saw tools
• Fixed object preview flashing when placing an object
• Fixed objects clipping outside the house

Test server changes:

• Added editing public island and house (sign next to docks, accessible without party)
• Added command aliases /saveisland, /loadisland, /resetisland, /clearisland, /lockisland and /unlockisland
• Increased object limit for islands from 500/750 to 750/1000
• Fixed saved islands getting loaded on non-test servers in some cases
• Fixed some issues causing islands to break
• Fixed torches on islands not changing with day/night cycle after reset