CustomObjectRepository is now being saved to and loaded from the ReplayFile
The CustomObjectRenderer uses the GuiObjectManager's timeline cursor position as interpolation timestamp for the CustomImageObjects which are drawn if a GuiObjectManager is open (instant preview)
KeyframeList's add() method now removes Keyframes with the same timestamp before adding the new Keyframe
Transformations class now holds default values to prevent NullPointerExceptions in methods calling getTransformationForTimestamp()
Added Javadoc to Transformation POJO
Created NumberValueChangeListener which can be applied to GuiNumberInput objects
Made step size customizable in GuiDraggingNumberInput
Changing a ReplayImageAssets image now notifies the CustomImageObjects linked to that asset
Modified RoundUtils to provide a round() method which uses the DecimalFormat class instead of Math.round which is unstable
ComposedElement's entries are sorted so that GuiDropdown are always drawn on top
Modified thrown UnsupportedOperationExceptions in CustomImageObject to not be thrown if asset is null
Made GuiDropdown only accept instances of GuiEntryListEntry to avoid unneccessary toString() methods returning the name
Added GuiEntryListValueEntry which holds a Value and a Name to be displayed
Continued work on GuiObjectManager
Added HSV noise to GuiTimeline's textures to somewhat hide the repeating body texture
Implemented GuiTimeline in GuiObjectManager's GuiObjectKeyframeTimeline
Added asInt() method to TimestampValue, to avoid int casts of value field
