Added an undef type to the key structure, so we can delete keys without confusion.
Added an undef type to the key structure, so we can delete keys without
confusion.


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@776 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

fernandobrito/parrot,gagern/parrot,gagern/parrot,youprofit/parrot,youprofit/parrot,parrot/parrot,youprofit/parrot,tkob/parrot,tewk/parrot-select,fernandobrito/parrot,youprofit/parrot,youprofit/parrot,tkob/parrot,tewk/parrot-select,tewk/parrot-select,youprofit/parrot,fernandobrito/parrot,tewk/parrot-select,tkob/parrot,FROGGS/parrot,gagern/parrot,FROGGS/parrot,tkob/parrot,tkob/parrot,FROGGS/parrot,FROGGS/parrot,gitster/parrot,gagern/parrot,parrot/parrot,gitster/parrot,parrot/parrot,tewk/parrot-select,youprofit/parrot,tewk/parrot-select,fernandobrito/parrot,gagern/parrot,FROGGS/parrot,FROGGS/parrot,gitster/parrot,FROGGS/parrot,fernandobrito/parrot,tkob/parrot,gagern/parrot,gitster/parrot,fernandobrito/parrot,FROGGS/parrot,parrot/parrot,gitster/parrot,gitster/parrot,gagern/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,tewk/parrot-select,fernandobrito/parrot,gitster/parrot,parrot/parrot