[DOCS] Update 12 VisualScript* nodes

doc/classes/VisualScriptSequence.xml

@@ -1,8 +1,16 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="VisualScriptSequence" inherits="VisualScriptNode" category="Core" version="3.0.alpha.custom_build">
 	<brief_description>
+		Executes a series of Sequence ports. 
 	</brief_description>
 	<description>
+		Steps through a series of one or more output Sequence ports. The [code]current[/code] data port outputs the currently executing item.
+		[b]Input Ports:[/b]
+		- Sequence: [code]in order[/code]
+		[b]Output Ports:[/b]
+		- Sequence: [code]1[/code]
+		- Sequence: [code]2 - n[/code] (optional)
+		- Data (int): [code]current[/code]
 	</description>
 	<tutorials>
 	</tutorials>
@@ -26,6 +34,7 @@
 	</methods>
 	<members>
 		<member name="steps" type="int" setter="set_steps" getter="get_steps">
+			The number of steps in the sequence.
 		</member>
 	</members>
 	<constants>