Move some functions to standard library

smnp/module/note/function/note.py

@@ -0,0 +1,11 @@
+from smnp.function.model import Function
+from smnp.function.signature import signature
+from smnp.note.model import Note
+from smnp.type.model import Type
+from smnp.type.signature.matcher.type import ofType
+
+_signature = signature(ofType(Type.STRING), ofType(Type.INTEGER), ofType(Type.INTEGER), ofType(Type.BOOL))
+def _function(env, note, octave, duration, dot):
+    return Type.note(Note(note.value, octave.value, duration.value, dot.value))
+
+function = Function(_signature, _function, 'Note')