There's now a new release of LetMeCreateIoT available, you can find the changelog and the actual release over at Github. There has been one major change however to the install process.
The install.sh script is gone and LMCIoT can now be used as an app on top of Contiki. To get it pull the newest changes from the creator branch of CreatorDev contiki, or you can install it manually by following these instructions. Similarly, Creator docs have been updated to reflect the change.
These changes do not affect any of the source code of your applications, however you will need to modify your existing Contiki application's makefile by adding the following line:
APPS += letmecreateiot
The Makefile will checkout any click drivers from LMC and apply patches when you run "Make" for the first time.
This is the only change needed, however if you run into any issues please let me know in this topic!