Numeric IDs not Allowed for Data Bag Items

Data bag ids should be coerced to strings before being tested against the VALID_ID regex. Becuase:

smith@iNeXT:~$ knife data bag create test
Created data_bag[test]
smith@iNeXT:~$ cat > t.json

smith@iNeXT:~$ knife data bag from file test t.json
ERROR: Chef::Exceptions::InvalidDataBagItemID: Data Bag items must have an id matching /^[-[:alnum:]_]+$/, you gave: 1

I think numeric ids should be accepted. If this is not possible please let me know why, otherwise, please fix.