user queries spl (== surveyor.pl)
spl queries user whether user wants to
   (1) complete a survey
   (2) view survey results
   (3) create a survey

if complete a survey
{
spl returns list of current surveys (including # of questions in each)
user chooses survey to complete
spl sends first question
user sends first answer
spl saves first answer
spl sends second question
....
spl sends last question
user answers last question
spl saves last question
spl thanks user for completing survey
}
else if view results
{
spl returns list of recent results
user chooses which results to view
spl returns results
}
else if create a survey
{
spl queries user for password
user supplies password
spl checks password
happy path: password okay
spl queries user for title
user supplies title
spl queries user for description
user supplies description
spl queries user for author
user supplies author
spl queries user for start date
user supplies start date
spl queries user for end date
user supplies end date
spl queries user for type of first question (yes/no, likert, free-form)
user supplies type of first question
spl queries user for first question
user supplies first question
...
how does this end?!?!?
spl creates survey xml file
}