Added removal for deleted entery while syncing

Added Invoices & Estimates to QBO#Index

app/models/qbo_employee.rb

@@ -19,12 +19,23 @@ class QboEmployee < ActiveRecord::Base
   end
   
   def self.update_all 
+    service = get_base.service
+  
     # Update the item table
-    get_base.service.all.each { |employee|
+    service.all.each { |employee|
       qbo_employee = QboEmployee.find_or_create_by(id: employee.id)
       qbo_employee.name = employee.display_name
       qbo_employee.id = employee.id
       qbo_employee.save!
     }
+    
+    #remove deleted employees
+    all.each { |employee|
+      begin
+        service.fetch_by_id(employee.id)
+      rescue
+        delete_all(id: employee.id)
+      end
+    }
   end
 end