Ability to quickly search / print contacts fro a folder
snarf last modified time frmo ews_con
Add FIXME to ensure phone labels do not get lost in OL
New ad hoc test to print named contact
Move the EXContact._add_* methods to right place
EWS pset_id need not have {} braces
Fetch asynk custom property for all Exchange GetiItems

The way EWS works any ExtendedProperties we need have to be fetched
explicitly Set it up such that all the GetItem calls will include
the stuff to get the most import custom property - the stff that
contains the 'stashed away' json encoded custom property.