Merge pull request #86 from techiev2/notifications

Notifications
Phone number length fix
Merge branch 'master' of https://github.com/techiev2/HaywireAPI
Updates content creation flow and makes Notification._send async
Adds notification send init for Event addition
Adds placeholder tile notification flow Event create addition
Fixes an issue with attribute get in ObjectWrap._get_model
Narrows down exception handling to InvalidQueryError and OperationError