use new blocks table properly
further cleaned up user class, created worker class, removed ledger and paid calls from user
fixed user class, missing method
moved workers table, pushpool needs to be configured to use this instead
adding search method for unconfirmed blocks, add updateConfirmations method for blocks
cleaned up getSingle calls, added getCoinAddress method
adding (required) confirmations to smarty globals
adding new cron to update block confirmations in database
search shares by IDs not timestamps, cleaned up transaction class in the process
adding new transaction class to manual payout through website
removed debug output