v1.5.4

Changes

• Fix configuration not deleting files properly without the <remove> element (by @Rosalie241)
• Fix downloading of ModAPI Fix not using HTTPS (by @Rosalie241)
• Fix mods with configuration not reporting uninstall failure (by @Rosalie241)
• Improve uninstaller by keeping the window open after uninstallation or configuration (by @Rosalie241)
• Improve downloading files by downloading it to memory instead of a temporary file (by @Rosalie241)