Fix issue #24 - pay attention to org-default-priority
Fix for Issue #26 - sync all tasks on init if org-toodledo-sync-new-completed-tasks is t
Fix for Issue #27 - fix support for priorty -1 as E
Fixed issue #28 - drop extra space in dates when no repeat
Fix issue #31 - cleaned up compiler warnings
Fix issue #29 - support org-toodledo-post-sync-hook