first part of the test
second part of the tests (change modifiers tests to support calculations for both relative and seconds-based modifiers)
third part of tests (modifiers exceeding element's band)
fourth part of tests (request for a specific frame)
triggers-tests
finish trigger tests
changed default element band to Infinity
fix bugs test
applying objects as modifiers/painters configuration
fixes
fixes 2
fixes 3
fixes 4
fix tween call for not-relative case
fix tween easing case (needs re-think)
all tweens tests fixed
fix modifiers test (relative flag and _modify function)
fix run function in modifier class tests
more fixes
new fixes (174 tests fail)