Post input added to the idValidator
Added session state rule to constructor.
Added maximum endowment rule to constructor
Added getRules function
Added conditional min/max rule to constructor
Added the session ID key to the dashboard view.
Added the session ID key to the dashboard view.
Added Payoff column to subject_risk_aversion table
Added the payoff and item_purchased column to the subject_willingness_pay table.
Added the payoff route
Added the riskAversionEntries() and willingnessPayEntries() relationship functions
Added the getIndifferenceProbability function.
Added static parameters PAYOFF_KEY and ITEM_PURCHASED_KEY.
Changed the values of the static parameters PAYOFF and OUTGOING_QUESTIONNAIRE.
Added the function calculatePayoff
Added the function calculatePayoff.
Updated the route value for the PAYOFF key.
Changed the parent class from BaseController to BaseComposer
Removed unused parameter researcherRepository.