ZENGINE: Create class to parse RLF animation files
ZENGINE: Rename _warpedBuffer to _workingWindowBuffer

To better represent its function
ZENGINE: Create method to clear the working window area of the screen to a single color
ZENGINE: Implement ActionSetPartialScreen
ZENGINE: Create method to play RlfAnimations
ZENGINE: Initialize inline with construction
ZENGINE: Always update the screen to ensure the mouse continues to render
ZENGINE: Call RenderManager::update() before ScriptManager::update()

This ensures the background will be rendered before anything from Puzzles or Controls
ZENGINE: Fix seek() whence argument
ZENGINE: Normalize comment alignment
ZENGINE: Create keypress event to test rlf animation