module versioning

it/src/it.py

@@ -3,6 +3,10 @@ import sys
 from buffer import Buffer
 from parse_command import parse_command
 
+def version():
+	print("it.py line editor; ALPHA 2021")
+	return None
+
 def get_command():
 	try:
 		return parse_command(input())

it/src/version.py

@@ -0,0 +1,16 @@
+def version():
+	print("it.py version querying; ALPHA 2021")
+	return None
+
+def main(buffer, command):
+	if len(command) > 1:
+		fetching = command[1:]
+	else:
+		fetching = ["it"]
+	for module in fetching:
+		if module in list(buffer.modules) or buffer.import_module_(module):
+			try:
+				buffer.modules[module].version()
+			except AttributeError as err:
+				print(err)
+	return buffer