[FIX] Only pull withdrawals for withdrawal_callbacks process.
[FIX] check for error/response prior to callback
[FIX] check if error is a string before error.match
[FIX] consolidate RippleRest error checking
Merge pull request #222 from ripple/log-exceptions

[FIX] check for error/response prior to callback
t rebase master
Merge branch 'develop' of github.com:ripple/gatewayd into develop
[FEATURE] log uncaughtException
[TASK] move uncaughtException handler to outgoing
[FIX] Express 4, outgoing payment confirmation fix.
Merge pull request #236 from ripple/witdhrawal-callbacks

looks good to me
Merge pull request #237 from ripple/log-exceptions

looks good to me
[TASK] Bump patch version, release notes.