- fix SyntaxError in py3.4
- internal development of ORM analysis utilities
- add method to model to reverse sequence inplace
- generalize and slightly simplify the orbit fitting API
- treat only "direct" variables (i.e. not deferred expressions) as knobs
- search for knobs recursively through deferred expressions
- parse unit strings from ACS backend on the fly
- adapt to the renaming hit_csys -> hit_acs
- adapt to changes in hit_acs 19.01.0
- basic version of measured response method for empirical orbit correction
- install a common BeamSampler that monitors and publishes new readouts