update config

debian/control

 Source: nxsconfigtool
 Section: editors
 Priority: optional
-Breaks: nxsconfigtool3
-Replaces: nxsconfigtool3
 Maintainer: Jan Kotanski (jkotan) <jankotan@gmail.com> 
 Build-Depends: python3 (>=3.5), debhelper (>=10.0), python3-all, python3-sphinx, qtbase5-dev-tools, python3-setuptools, dh-python
 Vcs-browser: https://github.com/nexdatas/configtool/
@@ -11,6 +9,8 @@ Standards-Version: 4.3.0
 
 Package: nxsconfigtool
 Architecture: all
+Breaks: nxsconfigtool3 (<< 2.1.1-3)
+Replaces: nxsconfigtool3 (<< 2.1.1-3)
 Homepage: https://github.com/nexdatas/
 Depends: ${python3:Depends}, python3-pyqt5, python3-nxsconfigtool (>=2.0.0),  ${misc:Depends}
 Description: Component Designer for Nexus Data Writer - python3 script