definedIn filter also works for new Class

[spaze]

Fixes
The definedIn filter added in 2.15.0 now also works correctly and as expected for new Class() statements (#203, thanks @BackEndTea)

Internal changes

• The newest coding standard is required no changes were needed (Require the newest coding-standard #202)
• Load all library files automatically in tests, otherwise class reflection doesn't class-reflect (Load all library files automatically in tests #204)

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This discussion was created from the release definedIn filter also works for `new Class`.