Single step improvements (#85, #86)

* implemented #84

Merge pull request #83 from ifm/develop

Prepare release 1.4.1
- GUI Improvements

Release 1.4.0 (#79)

* Overwrite addService with a variant receiving a shared pointer and not taking explicit ownership of the service (#78)

* add an overloaded function for addService which receives a shared pointer to QObject

* add a tooltip for filters in the configuration window with library and factory function

* add missing docstring for method count()

Version 1.3.1 (#76)

* Don't use pkg_resources package anymore and fix setuptool deprecation (#75)

* fix deprecation warnings about pkg_resources package

* fix setuptools being deprecated and support build package as a build frontend

* fix pylint messages

Merge pull request #74 from ifm/develop

Release 1.3.0

Implemented pull requests:

- #71
- #72
- #73

Prepare version 1.2.5

**Changes:**

- #67
- #68

Merge pull request #66 from ifm/develop

fix windows wheels for python versions other than 3.9.x

Merge pull request #65 from ifm/develop

Prepare version 01.02.01

Merge pull request #62 from ifm/develop

Release 1.1.1
- Fix variable editors always filled with empty values instead of the previous values

Merge pull request #60 from ifm/develop

Release 1.1.0