Ported /bay/station's SQDL2 which can be used to help debug code and features, by using queries to select and filter objects, and then make changes to them.
Added support for calling procs via SQDL.
Moved the verb category to "Debug".
Added the verb to the "Debug verbs" button.
Merge branch 'master' of https://github.com/tgstation/-tg-station into SQDL2
Added examples.
Removed a now unnecessary workaround.
Added world.log and log_game() to the SQDL logging.
Merge branch 'master' of https://github.com/tgstation/-tg-station into SQDL2

Conflicts:
	tgstation.dme
Merge pull request #3165 from Giacom/SQDL2

Ports over Bay's SQDL2