Include GNUInstallDirs

See merge request !33

Finding QCR  in Config Mode

See merge request !32

This is Release v0.5

See merge request !31

Wrong Version number and changed MAINTAINER file name

See merge request !30

Issue 2: ctest must not run against installed library

Closes #2

See merge request !29

Added a loop to make sure all available lines are read and processed from the stream

Closes #1

See merge request !28

Issue03

Closes #3

See merge request !27

Simpliefied strucuture of CMakeLists.txt by setting value for ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} also for nin windows systems

Add an runtime_error  to `qcr::messageHandler` to make sure it lives inside the main thread

Closes #7

See merge request !25

added an assert and explanation to qcr::messagehandler to make sure it is not called outside of the main thread

Ninja for libqcr

See merge request !26

added an assert and explanation to qcr::messagehandler to make sure it is not called outside of the main thread

Go back to C++17; otherwise incompatible with libstdc++13

See merge request !24

After recent upgrade of Debian testing (trixie) to libstdc++13,
compilation fails with endless error messages about incomplete type
of _Formatter in moc-generated code

Design of QcrModifiableComboBox

Closes #4

See merge request !22