Guietta

Added
- title() method and construction keyword argument
- pyqtgraph integration

Changed
- QComboBox default signal is now 'currentTextChanged' for better
backward compatibility with older QT versions.
- Fallback to import from PyQt5 instead of PySide2 if the latter fails.

Added
- Pre-defined radio button groups
- Progress bar widget
- Added default signal 'valueChanged' for QDial and QScrollBar

Changed
- Fixed bug for images when using the full file path
- Fixed small bugs in the examples
- "with" context manager now can reference imports and functions
defined outside it.

Changed
- Support for older PySide versions (v5.9+)
- Fixed bug in ValueSlider layout
- Internal refactor adding the new Rows class.

Added
- 'clicked' signal for Matplotlib widgets

Changed
- Fixing incompatibilites between GitHub's and PyPI's README format.

Added
- Support for ComboBoxes (using QComboBox)
- Splash Screen (using QSplashScreen)
- auto decorator syntax
- "with" context manager syntax
- removed all widget-generating functions, all widgets are now classes
- widgets can be specified with just the class, a widget with a default name
will be allocated.

Changed
- "dropped" signal for list boxes (QListBox) renamed to "drop"

Changed
- Using PySide2 bindings instead of PyQt5