Thank you very much, BlenderCN guys!
Your very uisefull addon don't run with Blender 2.78:
Code:Traceback (most recent call last): File "/home/patrinux/.config/blender/2.78/scripts/addons/bezier_curve_split.py", line 24, in poll for spl in cv.data.splines: AttributeError: 'Mesh' object has no attribute 'splines'
Words are Images that loosed Light!
Linux Mint 18.1 Serena Bi-Quad Intel 2.66Ghz x64Bytes - Nvidia OpenGL GT 630 4Go-vram