Sprint 4 Release

What's Changed

• Tracker Removed by @timbmoser in #218
• Class card dragging fix by @DierF in #219
• Gui relation by @DierF in #220
• Update extra padding in Class_Box by @almostTaklu in #227
• Potentially working CI code coverage enforcement by @AdamG-L in #228
• Bugfixes and tests by @pwfreedm in #229
• Test refactor by @AdamG-L in #230
• 98% coverage by @pwfreedm in #231
• Design pattern by @timbmoser in #234
• G UI buttons by @almostTaklu in #235
• Design pattern by @timbmoser in #236
• Export image by @DierF in #237
• Auto complete by @AdamG-L in #238
• Export image by @DierF in #239
• Export image by @DierF in #240
• Export image by @DierF in #242
• Export image by @DierF in #243
• Export image update by @almostTaklu in #244
• Fix too frequent save_states for dragging event in GUI by @DierF in #245
• Font license by @almostTaklu in #246
• Sprint 4 Release by @willkill07 in #247

Full Changelog: v3.0.0...v4.0.0