Add the multiline tag to all multiline ccs

cc/debug/error

@@ -1 +1,2 @@
+#require-multiline
 raise SystemError("Test error.")

cc/dystopia

@@ -1,3 +1,4 @@
+#require-multiline
 from random import choice
 from sys import argv
 stories = ["""an invasive species of anthropomorphic animals take over almost the entire globe.

cc/lmao

@@ -1,3 +1,4 @@
+#require-multiline
 from os import system
 from sys import argv
 if len(argv) > 4:

cc/pong

@@ -1 +1 @@
-print("Pi- wait... excuse me, what the actual fuck ._.")
+print("Pi- wait... excuse me, what the... ._.")