1.8.6

What's Changed

• 1.8.6 by @fernandotonon in #47
• Improve tests and handle double click on material editor by @fernandotonon in #49
• Improve tests by @fernandotonon in #50
• Improve test coverage by @fernandotonon in #51
• Improve test coverage by @fernandotonon in #52
• Added spring primitive by @fernandotonon in #53
• Make Rotation Gizmo more reliable by @fernandotonon in #54
• add more tests for rotation gizmo by @fernandotonon in #55
• improve rotation gizmo test coverage by @fernandotonon in #56
• many improvements on code stability by @fernandotonon in #57
• add tests for mainwindow by @fernandotonon in #58
• add tests for mainwindow by @fernandotonon in #59
• Add tests for mainwindow by @fernandotonon in #60
• improved tests on materialeditor by @fernandotonon in #61
• Fix mouse selection by @fernandotonon in #62

Full Changelog: 1.8.5...1.8.6