Added Validation Block field when creating a question. This allows validation of the answer entered by the user. This is especially useful in a registration assessment -- it allows the email entered to be checked if it already exists and prevent the assessment from continuing.
The value of this field must be multiples of a TCL boolean expression and an error message separated by spaces.
optimized speed, show names of responsing users in anonymous assessment, set existing choice set when editing item, display more fields for item copy, csv date range, removed item name to field name, fixed assessment creator to be initial creator