[Bf-python] Ok, heres the status of the EMesh code.

[Joseph]

Hi, All it's been a while,
    As I remember EMesh was willian's baby for years but was never 
implemented. As I remember the original idea was to have 2 major 
functions in the module : EnterEditMode and ExitEditMode which would 
call the edit.c  functions in blender src.  As I remember all editmode 
structures are temporary and simply by calling exit edit mode all 
temporary structs are written to the mesh data.
   Also I remember when I added vertgrouping things to NMesh I 
originally wanted to add 'selection' functions for vertgroups however, 
you can really only 'select' things when you are in edit mode (this is 
also true for armatures).
    I would like to hear willian's comments on this. Also I would like 
to see selection functionality as a major portion of EMesh. My opinion 
on EMesh is that an editmesh should be returned from a regular mesh 
structure through a call to enterEditMesh with a Mesh structure as an 
argument. All data for editmesh should be temporary and upon a call to 
exitEditMesh all data is written to the original mesh caller and 
editdata is cleaned up by python.