Test suite modernization

tests/all_inputs.py

@@ -0,0 +1,17 @@
+import mcrfpy
+
+s = mcrfpy.Scene("test")
+s.activate()
+
+g = mcrfpy.Grid(pos=(0,0), size=(1024,768), grid_size = (64, 48))
+s.children.append(g)
+
+def keys(*args):
+    print("key: ", args)
+
+def clicks(*args):
+    print("click:", args)
+
+s.on_key = keys
+g.on_click = clicks
+