Add signmessage and verifymessage support
Merge pull request #42 from nkuttler/add_signing

Add support for signing and verifying messages
Work around to raise InsufficientFunds exception when needed
Made sure the code will raise InsufficientFunds or stop
Merge pull request #46 from alfetopito/master

Work around to raise InsufficientFunds exception when needed
Changed iterkeys() to keys() to make the code python3 compatible. The method keys() exists in both python 2 and 3 but keysiter() does not exist in python 3 since keys() by defaults returns an iterator.
Merge pull request #49 from driftingOn/master

Changed iterkeys() to keys() to make the code python3 compatible. The me...
fix documentation for sendtoaddress