preserve ModuleItem location information (#66)

Update absl submodule to avoid glibc compilation error (https://github.com/abseil/abseil-cpp/issues/952) (#65)

Change GitHub actions to trigger on main branch

Remove CircleCI

Show GitHub CI status

Fix narrowing conversion errors on Windows

fixes a -Wswitch warning about ExternalKind::Tag not having a case in the switch statement. (#64)

Update testsuite, and fix function-references test

Fix bugs in exception-handling

Implement multi_memory proposal

Fix all tests for function-references proposal

Implement extended-const proposal

Enable exception-handling spec tests

Exception fixes

Rename Event -> Tag, event -> tag