hop patch - Does not remove backup when complaining about CHANGELOG.md

[halfAPI]

We could ask to the user if he wants to generate a CHANGELOG.md

randomedia-RDRY3v-w ❯ HALFORM_CONF_DIR=$PWD/../.half_orm hop patch
NEXT RELEASE: 0.0.1
NEW branch hop_0.0.1
ERROR! /mnt/storage/src/malves/randomedia/randomedia/Patches/0/0/1/CHANGELOG.md is missing!

randomedia-RDRY3v-w ❯ vim Patches/0/0/1/CHANGELOG.md

randomedia-RDRY3v-w ❯ HALFORM_CONF_DIR=$PWD/../.half_orm hop patch
NEXT RELEASE: 0.0.1
OK! sur hop_0.0.1
Oops! there is already a dump for the 0.0.0 release.
Please remove /mnt/storage/src/malves/randomedia/randomedia/Backups/randomedia-0.0.0.sql if you realy want to proceed.

[joel-m]

Fixed ca0a1ad