MANAGEMENT OF THE DISPLAY OF THE MASSES OF CONTACTS
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If the amount of contacts gets greater than menu items fitting in one menu

Several options:
* Listing as much as possible, adding an item "More..." for menu with rest
  unfair with those addresses late in the listing
* Splitting by Alphabet
  helps if sorting name known (first vs. last name)
  
* Splitting by Category
  helps if category known (should be so)
  problem if there are more categories than entries

Menu gets list of addresses
if too many
  group
  create menus with list of addresses of these groups
else
  fill with addresses


group:
  get first letters
  if too many letters
    group letters
