Merge pull request #1 from damonmc/master

Some initial changes - reviewed by gever, definitely better
interm
Merge pull request #3 from jplevyak/master

Add multi noun processing, easter eggs, the ability to add commands, automatic verb registration based on method name 'act_XXXX', auto-recognition of verbs by unique prefix.
assume proper nouns start with caps
Merge pull request #4 from alambeth/master

assume proper nouns start with caps
interm
Remove use of getattr/setattr.  Use hard coded move directions before other verbs.  Add error message for drop of non-existant item.
Add message for 'take' when the item isn't present.