Start refactoring classes, initilizers, and mehtods to separate files
Moved .check.variant to package utlities

Also added documentation
Remove AllGenerics.R and move generics to X-methods files

* Documentation for zproject-methods done
Documenation fix on utilities
Document initiliaze-methods
Refactor plot-methods to various class-specifiv methods files
Moved Zvariant plotting methods to a separate file
Move legacy code to stash folder and don't track it in Git
Document plot functions
Tweak docs in ppa.R
Remove readWorsheet.disjoint from Zonator

Not really part of the core functionality.