Version 1.1.1

• Process Timestamps in make_constant
• Process data markings not handled by the elevator
  - If no model is defined, elevator will error off in xml parser
  - added option --markings_allowed. Can be used to avoid an error exit on a defined data marking (i.e., parseable)
  in convert_marking_specification
• Handle some related objects
• Handle multiple collapsed comparison expression
• Remember mappings between objects and observables
• Fixed REs for StartsWith and Contains
• No need to pass in bundle_instance when creating patterns
• Fixed import of AIS data markings, also made it unconditional
• Create coverage.rst