The new config_changed is great but I had a case where there was need to use a custom encoder.
This PR adds the possibility to specify a special encoder.
Coverage increased (+0.0004%) to 99.744% when pulling d2acf23adc70090ec4e3af94b13927d0c9667268 on okin:feature/config_changed_with_custom_encoder into b274f34a20f74b13290736e35338d2fe82c6bb0d on pydoit:master.
The new config_changed is great but I had a case where there was need to use a custom encoder. This PR adds the possibility to specify a special encoder.