v0.2.0

What's Changed

• Change license to MIT by @DanielSeemaier in #51
• Remove LGPL reference from doxygen docs by @DanielSeemaier in #52
• ci: update gcc by @DanielSeemaier in #54
• build: fix include dirs by @DanielSeemaier in #53
• Modernize CMake and fix compiler defines. Make installable. by @niklas-uhl in #48
• assertion level and exception mode are now set via properties and target linking against kassert, see the README for details.
• Cleanup doxygen. by @niklas-uhl in #55

Full Changelog: v0.1.0...v0.2.0