Sample Usage:

# Create Task

sh create-task.sh http://trac-hostname:trac-port/trac-instance \
	username password "task summary" "task reporter" \
	"task description" "remaining time" 

# Create Story

sh create-story.sh  http://trac-hostname:trac-port/trac-instance \
	username password "story summary" "story reporter" \
	"story description"