Directguiextension

- New Tabbed Frame
- New function to specify collapsed state of DirectCollapsibleFrame

bugfix release

fixed menu items size/position calculation

Bugfixes
- Fix calculations in helper methods
- Fix position calculations of box sizer
- Fix minor problems with auto sizer
- Fix problems when designing sub menu entries

**Note:** you may want to check your designs containing the box sizer due to the fixed calculations.

Bugfix release
- Fix for Collapsible Frame
- Fix for Auto Sizer
- Fix for Box Sizer

New features and enhancements:
- Collapsible Frame
- Menu separator
- Skipable initial refresh in layout sizers

Bugfixes
- Fixes in autosizer calculations
- Enhanced minimum size checks

New Features and enhancements:
- Split Frame
- Widget definitions for the [DirectGuiDesigner](https://github.com/fireclawthefox/DirectGuiDesigner)
- Autosizer got better sizing logic and can be given a function to get parents scale correctly

Bugfixes
- Fix for grid size calculation
- Sizing fixes in the sample