fixed option value errors
bugfix for postal_greeting-KeyError in importer.py

Even though it should not happen, while the robin-wood-import there
were the postal_greeting missing as well as the postal_greeting_id.
Therefore a KeyError was raisen...
bugfix: CiviCRM.py: getOptionValueId

don't cache the value_id if no OptinValue found...
importer.py: postal_greeting-fix; CiviCRM OptionValue-fix
fixed exception handling in single worker mode
Merge branch 'master_rw' of systopia.github.com:systopia/pycivi into master_rw
fixed exception handling in single worker mode
fixed exception handling in single worker mode
Hack for second lookup for deleted Contacts

If a Contact wasn't found it's still possible on the database, but
tagged as deleted. Therefore a second lookup is needed to check for
those Contacts.
Merge branch 'master_rw' of https://github.com/systopia/pycivi into master_rw
add CiviEmailEntity

due to an api-bug in Civicrm-4.3.7 we need an extra update-method for
email-entities. This method provides all properties of an instance when
updating it.
add getMembershipTypeID and getFinancialTypeID to CiviCRM.py
convert Organization -> Individual