Docstrings update part 2.

Classes folder structure reorganisation.
Minor bug fixes.

Author: Genuster

+CFSVM/+Element/+Evidence/ImgMAFC.m

@@ -37,14 +37,19 @@
         %       Defaults to ``0.75``.
         %   xy_ratio: :attr:`~CFSVM.Element.Stimulus.Stimulus.xy_ratio`
         %       Defaults to ``1``.
-        %
+        %   rotation: :attr:`CFSVM.Element.Stimulus.Stimulus.rotation`.
+        %       Defaults to ``0``.
+        %   contrast: :attr:`CFSVM.Element.SpatialElement.contrast`.
+        %       Defaults to ``1``.
 
             arguments
                 kwargs.keys = {'LeftArrow', 'RightArrow'}
                 kwargs.title = 'Which one have you seen?'
                 kwargs.position = 'Center'
                 kwargs.size = 0.75
                 kwargs.xy_ratio = 1
+                kwargs.rotation = 0
+                kwargs.contrast = 1
             end
 
             kwargs_names = fieldnames(kwargs);
@@ -141,9 +146,26 @@ function show(obj, experiment)
             end
 
             for i = 1:obj.n_options
-                Screen('DrawTexture', screen.window, obj.options{i}, [], obj.rects{1}(i,:));
+                Screen( ...
+                    'DrawTexture', ...
+                    screen.window, ...
+                    obj.options{i}, ...
+                    [], ...
+                    obj.rects{1}(i,:), ...
+                    obj.rotation, ...
+                    [], ...
+                    obj.contrast);
+
                 if length(screen.fields) > 1
-                    Screen('DrawTexture', screen.window, obj.options{i}, [], obj.rects{2}(i,:));
+                    Screen( ...
+                        'DrawTexture', ...
+                        screen.window, ...
+                        obj.options{i}, ...
+                        [], ...
+                        obj.rects{2}(i,:), ...
+                        obj.rotation, ...
+                        [], ...
+                        obj.contrast);
                 end
             end
 

+CFSVM/+Element/+Evidence/TextMAFC.m

@@ -11,8 +11,9 @@
 
 
     properties
-
-        text_size {mustBeNonnegative, mustBeInteger} % ``Nonnegative int``
+        
+        % ``Nonnegative int``
+        text_size {mustBeNonnegative, mustBeInteger} 
 
     end