Update CHANGELOG

Julien LepillerSat Apr 10 15:08:19+0200 2021

20255b3

offlate/offlate
namelast commitdate
__init__.pyUpdate __init__.py license headerThu Oct 18 11:42:28+0200 2018
core/Check configuration relative to project dataSun Dec 13 02:44:07+0100 2020
data/Add weblate systemSun Dec 13 03:10:03+0100 2020
formats/Remove print statementsSat Dec 12 22:37:46+0100 2020
locales/Set version 0.5, update description and dependenciesSun Jan 12 15:44:02+0100 2020
systems/Fix some bugs in weblate systemSat Apr 10 15:06:13+0200 2021
ui/Set plain text to prevent xml from being renderedFri Apr 09 17:14:17+0200 2021