test-using-gir.rb: Pass ARGV to init and move method listing outside of method_missing.
test-using-gir.rb: Pass ARGV to init and move method listing outside of
method_missing.

mvz/gir_ffi,jcupitt/gir_ffi,jcupitt/gir_ffi,mvz/gir_ffi,mvz/gir_ffi