PMO-2763 Allow filtering sims on number of iterations (its:,!its:,etc)
(cherry picked from commit a3fde30)
PMO-2763 Allow long and short form (iterations/its); some refactoring to ease future maintenance.
(cherry picked from commit be96648)
PMO-2763 Iterations-filter tests
(cherry picked from commit c186c12)
Reintroduce single-arg ctor (removal broke Version Migrations?)
(cherry picked from commit a57f616)
Add comment to point out the 1-arg ctor is needed.
(cherry picked from commit f072d3d)