Changes to registration search and to add search where status changed since a date.
Bump version to 1.20
Fix bug with validation cut off for registrations validated after Friday midnight so they remain invalid until Sunday evening.
Bump version to 1.21
Fix bug when adding registrations with ASA numbers out of range. Added additional validation checkNumberIsInRange.
Bump version to 1.22
Merge branch 'version1'
Fixed unit tests following merge from version1 branch.