Changed I to A1AENB so that it won't get stepped on by Fileman
Many changes to Unit Test routines.

A1AEUT1:
 - ZEXCEPT to pass Joel Ivey's XINDEX Eclipse plug-in
 - Support and Unit Tests for multiple streams (new feature).
 - Moved KIDS package in comments to A1AEUT2 so that routine size
   is now less than 20,000 characters

A1AEUT2:
 - KIDS package moved here.
Support for multiple streams, esp. with $$PRIMSTRM.
Merge branch 'master' of https://github.com/shabiel/patch-module