Type: Function
Function: SHA1
Syntax: SHA1(string)
Description: Returns a hexadecimal hash using the sha1 algorithm. This function is useful for anonymizing reports.
Sample usage:
SHA1('foo')returns0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33SHA1(author_username)returns the sha1 hash of the author's username
