install-xemu broken

[disconn3ct]

It exits with no error during download:

**** xemu ****
  - Latest xemu version: v0.8.136
  - Downloading xemu version v0.8.136
https://github.com/xemu-project/xemu/releases/download/v0.8.136/xemu-0.8.136-x86_64.AppImage

Manually fetching it and commenting out the fetch_appimage_and_make_executable line fixes it and the script completes without issue:

**** xemu ****
  - Latest xemu version: v0.8.136
  - Downloading xemu version v0.8.136
  - Ensuring menu short is present for xemu
  - Fetching eeprom.bin
/mnt/games/Emulation/storage/xemu/bios/eeprom.bin          100%[========================================================================================================================================>]     256  --.-KB/s    in 0s       
  - Fetching xbox_hdd.qcow2
/mnt/games/Emulation/storage/xemu/xbox_hdd.qcow2.zip       100%[========================================================================================================================================>]  66.95K  --.-KB/s    in 0.005s   
  - Extracting xbox_hdd.qcow2
Archive:  xbox_hdd.qcow2.zip
  inflating: xbox_hdd.qcow2
DONE