Description of problem:
I clicked on "calendar", and it crashed. Appears the EWS access to the Calendar is having a problem.

Version-Release number of selected component:
evolution-data-server-3.6.2-3.fc18

Additional info:
backtrace_rating: 4
cmdline:        /usr/libexec/evolution-calendar-factory
crash_function: strip_html_tags
executable:     /usr/libexec/evolution-calendar-factory
kernel:         3.7.2-201.fc18.x86_64
remote_result:  NOTFOUND
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 strip_html_tags at e-ews-item.c:818
 #1 parse_task_field at e-ews-item.c:861
 #2 e_ews_item_set_from_soap_parameter at e-ews-item.c:1062
 #3 e_ews_item_new_from_soap_parameter at e-ews-item.c:1094
 #4 ews_handle_items_param at e-ews-connection.c:888
 #5 get_items_response_cb at e-ews-connection.c:929
 #6 ews_response_cb at e-ews-connection.c:578
 #7 process_queue_item at soup-session-async.c:271
 #8 run_queue at soup-session-async.c:307
 #9 idle_run_queue at soup-session-async.c:340