This allows the unit tests to be run on specific worlds only, it works by using an environment variable AP_TEST_WORLDS which is a comma separated list of world directories.
* WebHost: use new safe yaml template filename
this mirrors the change in ArchipelagoMW/#4106 in WebHost
* WebHost: install docs into safe filename and require docs to be named safe
* Test: update doc test for safe name
* WebHost: fix import order to not break ModuleUpdate
James White