Various fixes and improvements.
checkpoint... can prints null, true, false, and strings
printing arrays!
checkpoint... json object print half done
closer!
removing welds
jsot working!  all tail recursion (I think)  no welds!
replace {} with weld!
get rid of c boolean
Refactor ames.
Ames refactor complete.
Merge branch 'master' of git://github.com/cgyarvin/urbit
cgy version of json
json printer (with help from cgy)
uses json in ford