Added TYPED_METHOD_BIND and c++17 flags to windows build and moved test project files

test/demo/main.gd

@@ -0,0 +1,26 @@
+extends Node
+
+func _ready():
+	# Connect signals.
+	$Button.button_up.connect($Example.emit_custom_signal, ["Button", 42])
+	$Example.custom_signal.connect(on_signal)
+
+	# Call methods.
+	$Example.simple_func()
+	($Example as Example).simple_const_func() # Force use of ptrcall
+	prints("returned", $Example.return_something("some string"))
+	prints("returned const", $Example.return_something_const())
+	prints("vararg args", $Example.varargs_func("some", "arguments", "to", "test"))
+
+	# Use properties.
+	prints("custom postion is", $Example.custom_position)
+	$Example.custom_position = Vector2(50, 50)
+	prints("custom postion now is", $Example.custom_position)
+
+	# Get constants
+	prints("FIRST", $Example.FIRST)
+	prints("ANSWER_TO_EVERYTHING", $Example.ANSWER_TO_EVERYTHING)
+	prints("CONSTANT_WITHOUT_ENUM", $Example.CONSTANT_WITHOUT_ENUM)
+
+func on_signal(name, value):
+	prints("Example emitted:", name, value)