Add reverse option to run_order_modules
Remove unnecessary argument to run_order_modules
Remove unnecessary shutit_id_list arguments
Return errors instead of failing immediately
Move print_modules to once place
Remove some useless arguments
Remove some useless variables
More compact code
Move print_modules into main, only used there
More useless variables
No more shutit_id_list
Better method name
Some default arguments
Move some sanity checking together, more checking
Reword core_module checking
Merge branch 'aphs-reduce-method-params' of https://github.com/aidanhs/shutit into aidanhs-aphs-reduce-method-params
Merge branch 'aidanhs-aphs-reduce-method-params'