To anyone wanting to do this, you need to change a config in Hardcore Ender Expansion, and update the folllowing mods to these versions:
AsieLib 0.4.2
BdLib 1.9.1.97
Buildcraf 7.0.20 - core
Computronics 1.5.6
Forestry 3.6.3.20
Generators-0.9.17.102
Neiaddons-1.12.11.36
NEIIntegration-1.0.12