close gui when the combinator is destroyed
do not play close sound when a different gui is opened
gui can desync if settings are changed outside of it while it is open
do hardcore testing
models & art
space elevator compat
railloader compat
major bug with copy-paste when the operation is changed by blueprint but it gets copied to the old settings before it's checked for update
catch inserter rotation
trains of capacity greater than the stations current contents can be dispatched