0.5.4 (prerelease 1)

Static maps and classic map enhancements.

• Remove support for Haiku
• Add static maps and editor support (#42)
• Add extra options and features to classic maps (#147)
• Add frame skipping
• Add window resizing to editor
• Add undo function to editor
• Add autosave to editor
• Add camera panning to editor map preview
• Fix adjacent doors not being opened together (#210)
• Fix players getting stuck if moving into a corner wall or object (#215)
• Fix sneaky and runsaway AI shooting away from player
• Fix occasional bug in co-op AI line-of-sight logic
• Fix black transparency for paletted graphics
• Fix broken slowmotion config
• Fix classic maps unable to have odd dimensions
• Improve framerate greatly due to inefficient brightness function
• Improve line-of-sight using raycasting algorithm (#94)
• Improve co-op AI getting stuck behind obstacles
• Improve editor preview by showing exit area
• Change game framerate to 70, from 60
• Change default player template to load first from user templates (#205)
• Change default scaling mode to nearest neighbor
• Change default Android graphics settings to improve framerate (#207)
• Change mouse crosshair icon
• Change blue barrel graphic
• Change map file format to JSON
• Change editor to prompt if opening with a modified file