1.0.18

• Update to haskell-gi(-base) 0.22

1.0.17

• Update stack version to 12.10

1.0.16

• Fix nullable return annotation for elementGetBus.

1.0.15

• Remove enable-overloading flags, and use instead explicit CPP checks for 'haskell-gi-overloading-1.0', see how to disable overloading.