Update v0.98.0 - Colorful walls! (Patreon)

• Added new placeable walls with 12 colors each:
  - Striped
  - Hearts
  - Wavy
  - Zigzag
• Added new colors for plain walls
• Added new placeable objects:
  - Various rail pieces
  - Barriers
  - Sledgehammer
  - Flipped boat and sailboat
• Added sledgehammer tool T for removing walls
• Added ability to remove walls by holding Ctrl while using saw
• Added ability to pick walls by holding Shift using saw
• Added ability to flip island entrance boat using brush
• Added eyedropper icon to tile/wall picking using Shift
• Overhauled sprites for:
  - Cave entrance
  - Rails
  - Minecarts
  - Barriers
  - Boat
  - Sailboat
  - Island entrance boat
  - Wood pile
• Changed wall menu to be split into categories
• Changed wall type menu previews to always show as tall
• Renamed "Boat with sail" to "Sailboat"
• Improved cave and main map
• Improved join button behavior when joining game
• Improved collisions at the top border of maps
• Improved building menu to open to currently held tool instead of hammer
• Improved text expressions to be preserved when switching maps
• Fixed minimizing game resetting selected object
• Fixed incorrect preview when replacing house edge walls
• Fixed incorrect expression after using text expressions
• Fixed expressions being desynced in some cases
• Fixed actions being incorrectly enabled in some cases
• Fixed issues with editing last action in vertical action bar
• Fixed incorrect bottom padding of head-only PNG export
• Optimized server performance
• Improvements for test minimap:
  - Fixed certain player names not being displayed

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