0.2.0

Added

#17 New light theme (Thanks @cherryleafroad)
#31 Added license file to distribution package

Changed

#19 Clean up parent window on close
#24 Set ModernWindow to set the event state equal to the child state
#26 QScrollArea inconsistent background color
#28 QScrollBar handle color on pressed to keep the hover color
#29 Changed QScrollBar handle color from blue to grey
#36 macOS now have their TitleBar button on the left