[ Issue 1389 ] Proper error message on missing type signature for unquoteDef
[ test suite ] Changes due to changes in the standard library
Merge branch 'maint-2.4.2'
[ test suite (master) ] Changes due to changes in the standard library
[ test suite ] Fixed

Using Data.Maybe.Minimal instead of Data.Maybe.Core.
Merge branch 'maint-2.4.2'