Exhibit/Functions

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Function details

 * - the combination of two Exhibit Sets.


 * - checking if some property contains a string (pseudo equality checking). 


 * - returns true if an item property exists. 


 * - counts number of items related to a given property. 


 * - negates any of the other functions. 


 * - adds together the numerical elements of some Exhibit Set. See snippet below for example.


 * - iterates through the set of items related to a given property. See snippet below for example.


 * - converts the range of dates (specifically designated as that valueType) into a numeric value.
 * add(foreach(.presidency, date-range(.inDate, .outDate, 'day')))


 * - concatenates any number of properties and strings together. 