This triggers a needed reparse when a new page is created using a module
that accesses the page ID.
Bug: T237746
Change-Id: I5564c2e896dd2a025c5a886ca478c377fac83e74
Clear up a bunch of phpcs ignores by documenting many methods.
Also remove Scribunto_LuaError::setLineMap(), which has apparently never
been used since it was added in Ia51f439e.
Change-Id: I763bcdbc7edbbb8e4600495a03acca3439fc0ec9
And use the unit test base on most of the tests, except the ones that need
database. This makes tests considerably faster.
Bug: T230701
Change-Id: Ifbede1e2610c672b4d8a83ce41f74200e0c97be9