support for ranges in query parameters
refactor crash events to be based on simple models

todo: org/space -> crash events mapping

[#48435601]
CrashEvents -> AppEvents

+ update Sequel to 3.47 for drop_foreign_key
fix crash event rename migration for mysql
downgrade sequel to 3.45

there seems to be some postgres-related cache invalidation bug?

spec that was failing was:

  'VCAP::CloudController::Models::ServiceBinding restaging should trigger restaging when creating a binding'

in ./spec/models/service_binding_spec.rb:181
Pull up creating and updating shared examples
ServicePlan endpoint accepts unique_id on create

[#47382155]