Multiple visit schedules and cycle visit functions

Control data collection on multiple visit schedules and cycles visits.

• getCurrentBranch( )
  Get the ID of the current branch.
• isSubjectOnBranch( )
  Check if a subject has started any visit in a specific branch.
• getCurrentTreatmentArm( )
  Retrieve the treatment arm short name that the current subject is on.
• getQuestionValue( )
  Return a single question value for provided item path. The item path should be a whole path and should contain values for visitId, formId, and itemId. This function fetches values from questions on both repeating and flat forms.
• getDataElementsArray( )
  Return an array of data element arrays that contain data collection information about all existing instances for each variable.
• getCurrentCycle( )
  Retrieve the current cycle instance number.
• getCycleCount( )
  Get the current cycle instance number per subject within the input branch of the current subject. For example, you can get the count of existing cycles.
• getCompletedCycle( )
  Retrieve the number of cycles that were completed by a subject.