Beta version 0.4

This is the fourth beta release of the XCI adventure game engine and software development kit (SDK).

The following binaries come with this release:

XCI.PRG - Game engine for Commander X16 (requires build R37 of X16 emulator/ROM)
xci_sdk_linux_amd64.tar.gz - XCI SDK for 64-bit Linux running on x86 system (xci.exe, archived)
xci_sdk_windows_mingw64.zip - XCI SDK for 64-bit Windows (xci.exe, archived)

Running the SDK on other platforms requires compiling from source using GNU make and gcc. See README.md for build instructions.

Issues resolved:
#1 Quantities can now fill width of display
#2 Maximum quantities now enforced by engine
#3 item_trigger cost now compared correctly with current quantity

Known issues: None

If you find any issues, please post them here on GitHub and not on social media. Thanks!