Editor: Prepare Sprite for an editor & add a class SpriteException.
Editor: Fix doc of TilesetEditorPanel & add some missing annotations.
Editor: Add some utility methods to Sprite's classes.
Editor: add sprite editor based on tileset editor.
Editor: add resource images: icon_add & icon_remove.
Editor: add direction icons in directions list of sprite editor.
Editor: fix open an empty sprite and remove sprite animation errors.
Editor: allow to add a new sprite animation.
Editor: add sprite animation & direction fields in sprite editor.
Editor: add a field to select the source image of sprite animations.
Editor: allow to select, add and rename an animation with the combo box.
Editor: add dialog to changes the image of sprite animations.
add a local options file from NetBeans in the gitignore.
Editor: fix the sprite image view selection system.
Editor: allow to edit sprite animation directions size.
Editor: fix error on select a folder in sprite image selection dialog.
Editor: add sprite animation directions previewer.
Editor: fix the save of 'loop_on_frame' property in sprite files.
Editor: disallow to add a new sprite animation via the combo box.
a new animation is added with a button.
Editor: fix disabled the sprite image button when no animation selected.