v1.76-0.13

• Refactor packages structure:
  • All primitive wrappers are moved to the separate package imgui.type
  • Rename: imgui.callbacks -> imgui.callback
  • Rename: imgui.enums -> imgui.flag
  • ImGuiInputTextData converted into the inner class of ImString and renamed to InputData
  • Rename class: ImBool -> ImBoolean
• Add ImGuiStorage class
• Simplify drag'n'drop API with new methods: setDragDropPayloadObject(String, Object), acceptDragDropPayloadObject(String): Object, getDragDropPayloadObject(): Object. With new methods you can use any Java object as payload. Read javadoc to get more info.
• Optimize and reduce memory footprint for ImFontAtlas#getTexDataAsAlpha8/ImFontAtlas#getTexDataAsRGBA32 methods