WHMCS Module v3.3 has now been released.
This release addresses minor layout issues with WHMCS v5.1.2 plus support for KVM templates (SolusVM v1.12 and above)
This module requires PHP 5.3+ and ioncube loader 4+
http://wiki.solusvm.com/WHMCS_Module_v3#Version_3.3_Stable_.282012.2F08.2F01.29