Merge branch 'master' of https://github.com/simon-ritchie/numdoclint into issue#14

# Conflicts:
#	README.md

Author: simon-ritchie

README.md

@@ -268,10 +268,10 @@ The following arguments are provided. Only `--path` argument is required, other
                         notebook. If not, Python module will be checked.
   -f IGNORE_FUNC_NAME_PREFIX_LIST, --ignore_func_name_prefix_list IGNORE_FUNC_NAME_PREFIX_LIST
                         A prefix list of function name conditions to ignore.
-                        e.g., test_,sample_. Comma separated string is
+                        e.g., 'test_,sample_'. Comma separated string is
                         acceptable.
   -i IGNORE_INFO_ID_LIST, --ignore_info_id_list IGNORE_INFO_ID_LIST
-                        List of IDs to ignore lint checking. e.g, 1,2,3. Comma
+                        List of IDs to ignore lint checking. e.g, '1,2,3'. Comma
                         separated integer is acceptable.
   -o, --enable_default_or_optional_doc_check
                         If specified, the `default` and `optional` stringin