Add comments into each of the function files to make them easier to find

modules/python/functions/python-info

@@ -6,6 +6,8 @@
 #   Sorin Ionescu <sorin.ionescu@gmail.com>
 #
 
+# function python-info {
+
 local virtualenv_format
 local virtualenv_formatted
 
@@ -19,3 +21,5 @@ if [[ -n "$VIRTUAL_ENV" ]]; then
   zformat -f virtualenv_formatted "$virtualenv_format" "v:${VIRTUAL_ENV:t}"
   python_info[virtualenv]="$virtualenv_formatted"
 fi
+
+# }