Created a class named Peak_lists including the classes Generic, NMRView, Sparky and Xeasy.
This solves a name clash pointed out in a post at:
https://mail.gna.org/public/relax-devel/2008-10/msg00069.html
(Message ID: 48F8E785.8090106@...)
and was proposed by Edward in a post at:
https://mail.gna.org/public/relax-devel/2008-10/msg00070.html
(Message ID: 7f080ed10810171437s2103ba32pdf9f10d1ffe0230e@...)
