add id field

id is same as guid in normal mule, prepare for dead chars
refactored YQL requests into queue_yql_request function
add support for dead characters

add a line in account.js to read dead characters
e.g. if your email is abc@def.com and target character id is 123
then add 'abc@def.com|123': 'password' to your account.js
disable vaults on dead mule