saving current state
fix exit crash due to forced loop stop
change enum parsing
add memory header
get applied classes
paint background when clearing
fix matrices
remove debug statements
add filter expressions
cleanup
fix fill outline color
cleanup
rename time => timestamp to avoid naming conflicts
add class dictionary to avoid storing strings all the time
use class ids rather than names for storing styles
reorganize properties
add interface for iterating over classproperties
even more refactoring
more refactoring and fallback values
add raster enabled/opacity