v1.2.0

• fix getfile readonly code not being generated when TRUE
• use macros setting was not fully applied to all object definitions
• fix os4 issues with penmap and bitmap gadgets
• rename 'name' fields to 'label'
• add identifier field for all gadgets
• add child labels for gradient slider and palette gadgets
• add support for checkable/toggle/mutual menu items
• add 'move into vlayout' and 'move into hlayout' menu options
• implement reopen function
• add hint text option to all gadgets
• rename incorrect window gadget help label
• set window gadget help to default to true
• window activate flag defaults to true
• adding new gadget now inserts after currently selected gadget instead
  of at the end
• add menu keyboard shortcuts
• add undo/redo capability
• save code preview and preview window positions to project file
• update project file format to v2
• add tooltype options for code previews and code preview window position
• settings saved to envarc:
• add realtime code preview window
• set selected item to root layout for new project
• make main window and code preview window remember their last positions
• add preview window width + height properties
• add link to vscroll to text field gadget
• add link to hscroll and link to vscroll to text editor gadget
• add link to slider gadget for integer gadget
• add horizontal scroll flag to texteditor
• throw an error on startup if neither textfield or texteditor gadgets
  are present
• all gadget types now have label property
• set preview window settings based on window definition
• re-arrange some gadget settings pages to try to better fit them in
  640*256
• Add an edit button on main window