Added `utopia.toKey()` and `utopia.ucfirst()` to lib/utopia.js
Added `utopia.toKey()` and `utopia.ucfirst()` to lib/utopia.js

utopia.toKey() converts a string input
to a js accessible object key.

utopia.ucfirst() converts the first char
of a string to uppercase.

jhermsmeier/node-envelope