1.13 testing continues

Warning: this is an unstable release. It will likely break your server. Use it only if you're interested in helping us find and fix bugs.

In addition to that, 1.12 and older are not supported at the moment. When we have them working again, a new release will be made.

• Added automatic placement for bed parts and doors (closes #1502)
• Fixed leaves not having names available (closes #1503)
• Fixed an issue that caused comparing blocks with aliases to fail (closes #1507)
• Fixed 'named' expression not actually changing item name (related #1505)
• Fixed command argument number not being validated (closes #1494)
• Fixed setting specific line of item lore sometimes throwing an exception (closes #1506)
• Fixed type checking in 'sorted' expression (closes #1433)
• Fixed slots not being comparable with numbers (closes #1469)
• Removed unnecessary debug messages
• Updated the aliases (closes #1508)