Adapted the fft-trans to the newly polished API.
-rw-r--r-- 828 Makefile
-rw-r--r-- 12375 NodeHelper.C
-rw-r--r-- 283 NodeHelper.ci
-rw-r--r-- 5114 NodeHelper.h
-rw-r--r-- 1636 NodeHelperAPI.h
drwxr-xr-x - example