Merge pull request #35 from ryanxcharles/master

Fixes to package.json
WalletKey: internalize external JSON database object
Merge pull request #36 from jgarzik/txtool-hacks

WalletKey: internalize external JSON database object
rework logging, remove some unused code
Merge branch 'master' of https://github.com/gasteve/node-libcoin

Conflicts:
	util/util.js
bump version for npm
remove dead code
Merge remote-tracking branch 'gasteve/master'