v1.2.4

• SpotBugs dependency updated from 4.0.6 to 4.1.3 (fixed critical issues #50 and #51)
• Migrated all components to services and resolved some memory leaks, so the plugin can be installed without
  restarting the IDE (since the IntelliJ IDEA 2020.2 version) and the plugin can be unloaded or updated,
  unless the analysis has been started
• Improved error highlighting
• Set up continuous integration to build the code in the repository, run the tests and create code coverage reports
• Written a few integration tests